{"title":"Roller Chain Tensioners","description":"","products":[{"product_id":"06021004-seb27-tensioner","title":"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device","description":"Rosta SEB27 Boomerang Tensioner device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06021004 SEB-27 tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SEB27 tensioner versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. The boomerang style tensioner serves its purpose in applications that require tensioning of very long chain and belt drives, for over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SEB27 tensioner please contact us and we will be happy to assist you!\u003cbr\u003e\n\u003ch3\u003eSEB27 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SE_B_TENSIONERS_e6cb9384-e185-4ce1-9e5b-87580d226a76.png?v=1737617627\" style=\"width: 471px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SEB27\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06021004\u003c\/li\u003e\n\u003cli\u003eDimension (D): 3.07\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 4.25\" (+0.079\/ -0.020)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): M12\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 5.12\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 3.94\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 1.97\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 6.10\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 2.05\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.59\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.49\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 1.35\"\u003c\/li\u003e\n\u003cli\u003eWeight: 4.6 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -40°F to +176°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SEB27 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSEB-27 Mounting Instructions\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cb\u003e\nTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_79abd19b-947f-4df3-bf1b-15a2fbb0ed1f.png?v=1737617627\" style=\"width: 105px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003c\/b\u003e\u003cbr\u003e\nIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_235de59c-035a-4369-9ed0-83044231bdee.png?v=1737617627\" style=\"width: 187px;\" alt=\"Rosta SEB27 Tensioner | Boomerang SEB-27 Tensioner Device\"\u003e\u003cbr\u003eIn very long chain and belt drives it was\nrecommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \n\u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714058191215,"sku":"06021004-SEB27-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Boomerang_tensioner.jpg?v=1768577341"},{"product_id":"06011001-se11-tensioner","title":"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device","description":"Rosta SE11 Tensioner device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06011001 SE-11 tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SE11 tensioner versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. For over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SE-11 tensioner please contact us and we will be happy to assist you. \u003cbr\u003e\n\u003ch3\u003eSE-11 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SE_DWG_caf22128-ec0b-44ab-a790-3d3589f9c9d4.png?v=1737386648\" style=\"width: 405px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SE11\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06011001\u003c\/li\u003e\n\u003cli\u003eOutside Diameter (D): 1.38\"\u003c\/li\u003e\n\u003cli\u003eOverall Length (E): 2.01\" (+0.039 \/ -0.020)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.20\"\u003c\/li\u003e\n\u003cli\u003eMounting Bolt Size (H): M6\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 3.15\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 0.79\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 3.54\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 0.79\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 0.87\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.24\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 0.65\"\u003c\/li\u003e\n\u003cli\u003eWeight: 0.4 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -40°F to +176°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SE11 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSE-11 Mounting Instructions\u003c\/h3\u003e\u003cb\u003eTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_147db920-fce2-423d-913e-fab57ae63505.png?v=1737617633\" style=\"width: 105px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003c\/b\u003e\u003cbr\u003eIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_0945f7b7-ba47-4e0e-93d5-836582d7c43d.png?v=1737617634\" style=\"width: 187px;\" alt=\"Rosta SE11 Tensioner | 61030002 SE-11 Tensioner Device\"\u003e\u003cbr\u003eIn very long chain and belt drives, it was recommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714058617199,"sku":"06011001-SE11-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Rosta_Tensioner_Device.jpg?v=1768576319"},{"product_id":"06095905-sefe38-tensioner","title":"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner","description":"Rosta SEFE38 Tensioner device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06095905 SEFE-38 front mounting tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SEFE38 tensioner versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. The front mounting style tensioner serves its purpose in applications with blind-hole frames, for over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SEFE38 tensioner please contact us and we will be happy to assist you!\u003cbr\u003e\n\u003ch3\u003eSEFE38 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SEF_Tensioner_e5f7ed03-b7a0-48c3-81fa-ff0ab2671497.png?v=1737386647\" style=\"width: 477px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SEFE38\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06095905\u003c\/li\u003e\n\u003cli\u003eDimension (D): 3.74\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 4.72\" (+0.08 \/ -0.02)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): M12\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 5.71\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 4.33\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 6.89\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 1.38\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 2.60\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.59\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.49\"\u003c\/li\u003e\n\u003cli\u003eDimension (R): 0.67\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.87\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 1.65\"\u003c\/li\u003e\n\u003cli\u003eWeight: 6.8 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -31°F to +248°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SEFE38 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSEFE-38 Mounting Instructions\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cb\u003e\nTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_79abd19b-947f-4df3-bf1b-15a2fbb0ed1f.png?v=1737617627\" style=\"width: 105px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003c\/b\u003e\u003cbr\u003e\nIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_235de59c-035a-4369-9ed0-83044231bdee.png?v=1737617627\" style=\"width: 187px;\" alt=\"Rosta SEFE38 Tensioner | Front Mounting SEFE-38 Tensioner\"\u003e\u003cbr\u003eIn very long chain and belt drives it was\nrecommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \n\u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714058715503,"sku":"06095905-SEFE38-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Front_mounting_tensioner_black.jpg?v=1768578301"},{"product_id":"06011064-se27-tensioner","title":"06011064 Rosta SE27 Tensioner Without Idler Hardware","description":"Rosta SE27 Tensioner Without Idler Hardware device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06011064 SE-27 tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SE27 Tensioner Without Idler Hardware versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. For over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SE-27 tensioner please contact us and we will be happy to assist you. \u003cbr\u003e\n\u003ch3\u003eSE-27 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SE_DWG_caf22128-ec0b-44ab-a790-3d3589f9c9d4.png?v=1737386648\" style=\"width: 405px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SE27 Without Idler Hardware\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06011064\u003c\/li\u003e\n\u003cli\u003eOutside Diameter (D): 3.07\"\u003c\/li\u003e\n\u003cli\u003eOverall Length (E): 4.25\" (+0.079\/ -0.020)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.31\"\u003c\/li\u003e\n\u003cli\u003eMounting Bolt Size (H): M12\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 5.12\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 3.94\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 1.97\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 6.10\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 2.05\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.59\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.53\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 1.35\"\u003c\/li\u003e\n\u003cli\u003eWeight: 3.7 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -40°F to +176°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SE27 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSE-27 Mounting Instructions\u003c\/h3\u003e\u003cb\u003eTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_147db920-fce2-423d-913e-fab57ae63505.png?v=1737617633\" style=\"width: 105px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003c\/b\u003e\u003cbr\u003eIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_0945f7b7-ba47-4e0e-93d5-836582d7c43d.png?v=1737617634\" style=\"width: 187px;\" alt=\"06011064 Rosta SE27 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eIn very long chain and belt drives, it was recommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714058781039,"sku":"06011064-SE27-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/06011001-SE11-TENSIONER-2_c0abd4d1-ccc7-4cbf-ac1b-532c52b69175.png?v=1756323005"},{"product_id":"06510002-sprocket-wheel-set","title":"Rosta 06510002 40BB15 Sprocket For SE18 Tensioner","description":"The Rosta 06510002 40BB15 idler sprocket for SE18 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #40  roller chain for size SE 18 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510002 40BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_bcd13ca7-558f-4dcd-9fed-065b4950b77a.png?v=1737617638\" style=\"width: 146px;\" alt=\"Rosta 06510002 40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 40BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510002\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 40-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 23-44\u003c\/li\u003e\n\u003cli\u003eWeight: 0.20 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06510002 40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06510002 40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06510002 40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06510002 40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714058912111,"sku":"06510002-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06510003-sprocket-wheel-set","title":"Rosta 06510003 50BB15 Sprocket For SE27 Tensioner","description":"The Rosta 06510003 50BB15 idler sprocket for SE27 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #50  roller chain for size SE 27 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510003 50BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_bcd13ca7-558f-4dcd-9fed-065b4950b77a.png?v=1737617638\" style=\"width: 146px;\" alt=\"Rosta 06510003 50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 50BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510003\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 50-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 27-65\u003c\/li\u003e\n\u003cli\u003eWeight: 0.35 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06510003 50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06510003 50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06510003 50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06510003 50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714058944879,"sku":"06510003-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06510004-sprocket-wheel-set","title":"Rosta 06510004 60BB15 Sprocket For SE27 Tensioner","description":"The Rosta 06510004 60BB15 idler sprocket for SE27 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #60  roller chain for size SE 27 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510004 60BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_bcd13ca7-558f-4dcd-9fed-065b4950b77a.png?v=1737617638\" style=\"width: 146px;\" alt=\"Rosta 06510004 60BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 60BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510004\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 60-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 27-65\u003c\/li\u003e\n\u003cli\u003eWeight: 0.55 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06510004 60BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06510004 60BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06510004 60BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06510004 60BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059043183,"sku":"06510004-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06011061-se11-tensioner","title":"06011061 Rosta SE11 Tensioner","description":"Rosta SE11 Tensioner Without Idler Hardware device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06011061 SE-11 tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SE11 Tensioner Without Idler Hardware versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. For over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SE-11 tensioner please contact us and we will be happy to assist you. \u003cbr\u003e\n\u003ch3\u003eSE-11 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SE_DWG_caf22128-ec0b-44ab-a790-3d3589f9c9d4.png?v=1737386648\" style=\"width: 405px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SE11 Without Idler Hardware\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06011061\u003c\/li\u003e\n\u003cli\u003eOutside Diameter (D): 1.38\"\u003c\/li\u003e\n\u003cli\u003eOverall Length (E): 2.01\" (+0.039 \/ -0.020)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.20\"\u003c\/li\u003e\n\u003cli\u003eMounting Bolt Size (H): M6\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 3.15\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 0.79\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 3.54\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 0.79\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 0.87\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.24\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 0.65\"\u003c\/li\u003e\n\u003cli\u003eWeight: 0.4 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -40°F to +176°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SE11 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSE-11 Mounting Instructions\u003c\/h3\u003e\u003cb\u003eTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_147db920-fce2-423d-913e-fab57ae63505.png?v=1737617633\" style=\"width: 105px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003c\/b\u003e\u003cbr\u003eIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_0945f7b7-ba47-4e0e-93d5-836582d7c43d.png?v=1737617634\" style=\"width: 187px;\" alt=\"06011061 Rosta SE11 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eIn very long chain and belt drives, it was recommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059338095,"sku":"06011061-SE11-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/06011001-SE11-TENSIONER-2_102bf66c-5ed5-42c3-a1c3-1da1d9c92c32.png?v=1756323022"},{"product_id":"06011063-se18-tensioner","title":"06011063 Rosta SE18 Tensioner Without Idler Hardware","description":"Rosta SE18 Tensioner Without Idler Hardware device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06011063 SE-18 tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SE18 Tensioner Without Idler Hardware versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. For over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SE-18 tensioner please contact us and we will be happy to assist you. \u003cbr\u003e\n\u003ch3\u003eSE-18 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SE_DWG_caf22128-ec0b-44ab-a790-3d3589f9c9d4.png?v=1737386648\" style=\"width: 405px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SE18 Without Idler Hardware\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06011063\u003c\/li\u003e\n\u003cli\u003eOutside Diameter (D): 2.28\"\u003c\/li\u003e\n\u003cli\u003eOverall Length (E): 3.11\" (+0.059\/ -0.020)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.28\"\u003c\/li\u003e\n\u003cli\u003eMounting Bolt Size (H): M10\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 3.94\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 3.15\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 1.18\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 4.53\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 1.18\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 1.38\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.33\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.53\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 1.00\"\u003c\/li\u003e\n\u003cli\u003eWeight: 1.3 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -40°F to +176°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SE18 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSE-18 Mounting Instructions\u003c\/h3\u003e\u003cb\u003eTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_147db920-fce2-423d-913e-fab57ae63505.png?v=1737617633\" style=\"width: 105px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003c\/b\u003e\u003cbr\u003eIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_0945f7b7-ba47-4e0e-93d5-836582d7c43d.png?v=1737617634\" style=\"width: 187px;\" alt=\"06011063 Rosta SE18 Tensioner Without Idler Hardware\"\u003e\u003cbr\u003eIn very long chain and belt drives, it was recommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059403631,"sku":"06011063-SE18-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/06011001-SE11-TENSIONER-2_3c52989b-68db-46d8-b453-e29088202387.png?v=1756323031"},{"product_id":"06520005-sprocket-wheel-set","title":"Rosta 06520005 D60BB15 Sprocket For SE38 Tensioner","description":"The Rosta 06520005 D60BB15 idler sprocket for SE38 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #60-2 roller chain for size SE 38 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520005 D60BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_51f784f4-bf81-4d41-b86e-81174afc9fef.png?v=1737617651\" style=\"width: 144px;\" alt=\"Rosta 06520005 D60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D60BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520005\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 60-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 120mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-38\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 55-84\u003c\/li\u003e\n\u003cli\u003eWeight: 2.10 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520005 D60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520005 D60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520005 D60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520005 D60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059469167,"sku":"06520005-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06021003-seb18-tensioner","title":"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device","description":"Rosta SEB18 Boomerang Tensioner device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06021003 SEB-18 tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SEB18 tensioner versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. The boomerang style tensioner serves its purpose in applications that require tensioning of very long chain and belt drives, for over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SEB18 tensioner please contact us and we will be happy to assist you!\u003cbr\u003e\n\u003ch3\u003eSEB18 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SE_B_TENSIONERS_c8e9db8f-7ab4-4fa2-b938-8e77bb6388fa.png?v=1737386648\" style=\"width: 471px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SEB18\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06021003\u003c\/li\u003e\n\u003cli\u003eDimension (D): 2.28\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 3.07\" (+0.059\/ -0.020)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.24\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): M10\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 3.94\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 3.15\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 1.18\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 4.53\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 1.18\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 1.38\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.33\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 1.00\"\u003c\/li\u003e\n\u003cli\u003eWeight: 1.8 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -40°F to +176°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SEB18 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSEB-18 Mounting Instructions\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cb\u003e\nTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_79abd19b-947f-4df3-bf1b-15a2fbb0ed1f.png?v=1737617627\" style=\"width: 105px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003c\/b\u003e\u003cbr\u003e\nIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_235de59c-035a-4369-9ed0-83044231bdee.png?v=1737617627\" style=\"width: 187px;\" alt=\"Rosta SEB18 Tensioner | Boomerang SEB-18 Tensioner Device\"\u003e\u003cbr\u003eIn very long chain and belt drives it was\nrecommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \n\u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059501935,"sku":"06021003-SEB18-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Boomerang_tensioner.jpg?v=1768577341"},{"product_id":"06510001-sprocket-wheel-set","title":"Rosta 06510001 35BB15 Sprocket For SE15\/SE18 Tensioners","description":"The Rosta 06510001 35BB15 idler sprocket for SE15\/SE18 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #35  roller chain for size SE 15\/SE 18 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510001 35BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_eff9a9b1-ee3c-4cc0-a6d5-22535daa197a.png?v=1737617656\" style=\"width: 146px;\" alt=\"Rosta 06510001 35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 35BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510001\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 35-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-15 \/ SE18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 22-43\/23-43\u003c\/li\u003e\n\u003cli\u003eWeight: 0.15 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06510001 35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06510001 35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06510001 35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06510001 35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059665775,"sku":"06510001-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06550003-50-chain-rider","title":"Rosta 06550003 #50 Chain Rider For SE18 Tensioner","description":"Rosta 06550003 #50 Chain Rider For SE18 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06550003 #50 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SGL_CHN_RDR_4c3e7d9b-74dc-4803-9f09-a1f17c43cab3.png?v=1737617663\" style=\"width: 313px;\" alt=\"Rosta 06550003 #50 Chain Rider For SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06550003\u003c\/li\u003e\n\u003cli\u003eType: P-5\/8\"-10S\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 50\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 10B\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 126mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 63mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 16.6mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 24-39\u003c\/li\u003e\n\u003cli\u003eWeight: 0.12 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059764079,"sku":"06550003-50-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06510005-sprocket-wheel-set","title":"Rosta 06510005 60BB15 Sprocket For SE38 Tensioner","description":"The Rosta 06510005 60BB15 idler sprocket for SE38 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #60  roller chain for size SE 38 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510005 60BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_bcd13ca7-558f-4dcd-9fed-065b4950b77a.png?v=1737617638\" style=\"width: 146px;\" alt=\"Rosta 06510005 60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 60BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510005\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 60-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 100mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-38\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 40-80\u003c\/li\u003e\n\u003cli\u003eWeight: 0.85 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06510005 60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06510005 60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06510005 60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06510005 60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059829615,"sku":"06510005-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06520002-sprocket-wheel-set","title":"Rosta 06520002 D40BB15 Sprocket For SE18 Tensioner","description":"The Rosta 06520002 D40BB15 idler sprocket for SE18 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #40-2 roller chain for size SE 18 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520002 D40BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_51f784f4-bf81-4d41-b86e-81174afc9fef.png?v=1737617651\" style=\"width: 144px;\" alt=\"Rosta 06520002 D40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D40BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520002\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 40-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 30-37\u003c\/li\u003e\n\u003cli\u003eWeight: 0.35 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520002 D40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520002 D40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520002 D40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520002 D40BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059895151,"sku":"06520002-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06093904-sefe27-tensioner","title":"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner","description":"Rosta SEFE27 Tensioner device is not only a modern engineering marvel but is also a maintenance-free tensioning device that is utilized throughout the world for the various belt and roller chain applications. The 06093904 SEFE-27 front mounting tensioner serves three purposes; a torsional spring, a pivot bearing, and an anti-vibration mount. The true advantages of a ROSTA SEFE27 tensioner versus look-alikes are the patented specially engineered material that is within every tensioning device made by ROSTA, cost advantage, overall durability, and solid performance on high productivity productions lines. The front mounting style tensioner serves its purpose in applications with blind-hole frames, for over 45-years ROSTA has produced some of the highest quality and longest-lasting dampening and tensioning devices on the market! For more information or to get a quote on the SEFE27 tensioner please contact us and we will be happy to assist you!\u003cbr\u003e\n\u003ch3\u003eSEFE27 Tensioner Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SEF_Tensioner_e5f7ed03-b7a0-48c3-81fa-ff0ab2671497.png?v=1737386647\" style=\"width: 477px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eTensioner Type: SEFE27\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06093904\u003c\/li\u003e\n\u003cli\u003eDimension (D): 3.07\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 4.33\" (+0.08 \/ -0.02)\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): M10\u003c\/li\u003e\n\u003cli\u003eDimension (J1): 5.12\"\u003c\/li\u003e\n\u003cli\u003eDimension (J2): 3.94\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 1.97\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 6.10\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 0.63\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 2.05\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.59\"\u003c\/li\u003e\n\u003cli\u003eDimension (P): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (R): 0.59\"\u003c\/li\u003e\n\u003cli\u003eDimension (T): 0.49\"\u003c\/li\u003e\n\u003cli\u003eDimension (U): 1.35\"\u003c\/li\u003e\n\u003cli\u003eWeight: 4.6 LBS\u003c\/li\u003e\n\u003cli\u003eNormal Temperature Range: -22°F to +194°F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cb\u003eTensioning Force Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TENSION_FORCE_3b0da966-3b8e-460d-ac09-9329f7dc25b2.png?v=1737617627\" style=\"width: 432px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003cbr\u003e\u003cb\u003eTightening Torque Table:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_TIGHTENING_TORQUE_3c53c6e8-41c2-4a6a-9299-4f8bf4e26a95.png?v=1737617627\" style=\"width: 298px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003cbr\u003e\n\u003ch3\u003eROSTA SEFE27 Tensioner Technology\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SPRING_aae7da65-1b3f-46fe-991b-d60e22dba21f.png?v=1737617627\" style=\"width: 137px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003cbr\u003eAt the core of every ROSTA tensioner lies a special rubber compound that conforms to ISO 14001 with a unique ability to provide the consistent tensioning force with minimal impairment to the material its self. ROSTA is the only company capable of producing this specific material, this is why no \"interchange\" can withstand the same life-span as a ROSTA tensioner. \u003cbr\u003e\u003cbr\u003eTo find out additional information on the technology \u003ca href=\"https:\/\/www.usarollerchain.com\/category-s\/6130.htm\" target=\"_blank\"\u003eclick here\u003c\/a\u003e! \u003cbr\u003e\n\u003ch3\u003eSEFE-27 Mounting Instructions\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cb\u003e\nTensioner Mounting\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/887oiofbhd_d21a1159-92bd-4d8e-90a0-5d830bc6a325.png?v=1737617627\" style=\"width: 184px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003cbr\u003eTighten the flange screw slightly. Grip the housing with flat-wrench and set needful pre-tension by rotating the housing in the required direction. Tighten the central screw according to the above mentioned tightening moment MA. \u003ci\u003ePosition flat-wrench close by the flange-bottom.\u003c\/i\u003e\u003cbr\u003e\u003cb\u003e\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eZ-configuration of Sprockets or Riders\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/745532435642hrgl_79abd19b-947f-4df3-bf1b-15a2fbb0ed1f.png?v=1737617627\" style=\"width: 105px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003c\/b\u003e\u003cbr\u003e\nIf there is the need to install sprockets, riders or rollers on the outer arm-side of the tensioner, then the distance \"Z\" should be as little as possible to avoid misalignment in element parallelism. Furthermore, the pre-tension force should not exceed 50% of the capacity = max. the pre-tension angle of ~ 20°.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eUse of SE-B Boomerang Tensioners\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/nmhtyt6y7_235de59c-035a-4369-9ed0-83044231bdee.png?v=1737617627\" style=\"width: 187px;\" alt=\"Rosta SEFE27 Tensioner | Front Mounting SEFE-27 Tensioner\"\u003e\u003cbr\u003eIn very long chain and belt drives it was\nrecommendable to install on the slack-side several tensioners, in order to compensate for occurring elongation. The \"Boomerang\" with its bent double-arm equipped with two chain sprockets or a combination of grooved pulley and flat-roller (belt-drives) \n\u003ci\u003eoffers a triple-compensation of chain and belt elongations, due to S-shape contact-arc.\u003c\/i\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059927919,"sku":"06093904-SEFE27-TENSIONER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Front_mounting_tensioner_black.jpg?v=1768578301"},{"product_id":"06520006-sprocket-wheel-set","title":"Rosta 06520006 D80BB13 Sprocket For SE38 Tensioner","description":"The Rosta 06520006 D80BB13 idler sprocket for SE38 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 13 teeth and runs #80-2 roller chain for size SE 38 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520006 D80BB13 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_51f784f4-bf81-4d41-b86e-81174afc9fef.png?v=1737617651\" style=\"width: 144px;\" alt=\"Rosta 06520006 D80BB13 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D80BB13\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520006\u003c\/li\u003e\n\u003cli\u003eTooth Count: 13\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 80-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 120mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-38\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 55-84\u003c\/li\u003e\n\u003cli\u003eWeight: 2.10 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520006 D80BB13 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520006 D80BB13 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520006 D80BB13 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520006 D80BB13 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059960687,"sku":"06520006-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06520007-sprocket-wheel-set","title":"Rosta 06520007 D100BB13 Sprocket For SE45\/SE50 Tensioners","description":"The Rosta 06520007 D100BB13 idler sprocket for SE45\/SE50 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 13 teeth and runs #100-2 roller chain for size SE 45\/SE 50 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520007 D100BB13 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_51f784f4-bf81-4d41-b86e-81174afc9fef.png?v=1737617651\" style=\"width: 144px;\" alt=\"Rosta 06520007 D100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D100BB13\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520007\u003c\/li\u003e\n\u003cli\u003eTooth Count: 13\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 100-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 140mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45 \/ SE-50\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 60-102 \/ 68-102\u003c\/li\u003e\n\u003cli\u003eWeight: 3.60 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520007 D100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520007 D100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520007 D100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520007 D100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714059993455,"sku":"06520007-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06530007-sprocket-wheel-set","title":"Rosta 06530007 T100BB13 Sprocket For SE45\/SE50 Tensioners","description":"The Rosta 06530007 T100BB13 idler sprocket for SE45\/SE50 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 13 teeth and runs #100-3 triple roller chain for size SE 45\/ SE 50 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530007 T100BB13 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530007 T100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T100BB13\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530007\u003c\/li\u003e\n\u003cli\u003eTooth Count: 13\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 100-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 160mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45 \/ SE-50\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 78-105 \/ 86-105\u003c\/li\u003e\n\u003cli\u003eWeight: 5.20 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530007 T100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530007 T100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530007 T100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530007 T100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060091759,"sku":"06530007-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06530001-sprocket-wheel-set","title":"Rosta 06530001 T35BB15 Sprocket For SE18 Tensioner","description":"The Rosta 06530001 T35BB15 idler sprocket for SE18 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #35-3 triple roller chain for size SE 18 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530001 T35BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_b316d382-b2a3-413f-9317-378385d06962.png?v=1737617673\" style=\"width: 146px;\" alt=\"Rosta 06530001 T35BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T35BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530001\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 35-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 70mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 33-48\u003c\/li\u003e\n\u003cli\u003eWeight: 0.25 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530001 T35BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530001 T35BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530001 T35BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530001 T35BB15 Sprocket For SE18 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060058991,"sku":"06530001-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06510008-sprocket-wheel-set","title":"Rosta 06510008 120BB11 Sprocket For SE45\/SE50 Tensioners","description":"The Rosta 06510008 120BB11 idler sprocket for SE45\/SE50 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 11 teeth and runs #120 roller chain for size SE-45\/SE-50 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510008 120BB11 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_bcd13ca7-558f-4dcd-9fed-065b4950b77a.png?v=1737617638\" style=\"width: 146px;\" alt=\"Rosta 06510008 120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 120BB11\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510008\u003c\/li\u003e\n\u003cli\u003eTooth Count: 11\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 120-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 140mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45 \/ SE-50\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 40-120 \/ 48-120\u003c\/li\u003e\n\u003cli\u003eWeight: 2.35 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060124527,"sku":"06510008-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06530006-sprocket-wheel-set","title":"Rosta 06530006 T80BB13 Sprocket For SE45 Tensioner","description":"The Rosta 06530006 T80BB13 idler sprocket for SE45 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 13 teeth and runs #80-3 triple roller chain for size SE 45 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530006 T80BB13 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530006 T80BB13 Sprocket For SE45 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T80BB13\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530006\u003c\/li\u003e\n\u003cli\u003eTooth Count: 13\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 80-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 160mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 74-108\u003c\/li\u003e\n\u003cli\u003eWeight: 2.90 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530006 T80BB13 Sprocket For SE45 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530006 T80BB13 Sprocket For SE45 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530006 T80BB13 Sprocket For SE45 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530006 T80BB13 Sprocket For SE45 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060157295,"sku":"06530006-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06530003-sprocket-wheel-set","title":"Rosta 06530003 T50BB15 Sprocket For SE27 Tensioner","description":"The Rosta 06530003 T50BB15 idler sprocket for SE27 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #50-3 triple roller chain for size SE 27 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530003 T50BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530003 T50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T50BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530003\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 50-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 43-50\u003c\/li\u003e\n\u003cli\u003eWeight: 0.95 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530003 T50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530003 T50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530003 T50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530003 T50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060255599,"sku":"06530003-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06510007-sprocket-wheel-set","title":"Rosta 06510007 100BB13 Sprocket For SE45\/SE50 Tensioners","description":"The Rosta 06510007 100BB13 idler sprocket for SE45\/SE50 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 13 teeth and runs #100 roller chain for size SE 45\/SE 50 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06510007 100BB13 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_SGL_bcd13ca7-558f-4dcd-9fed-065b4950b77a.png?v=1737617638\" style=\"width: 146px;\" alt=\"Rosta 06510007 100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: 100BB13\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06510007\u003c\/li\u003e\n\u003cli\u003eTooth Count: 13\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 100-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 100mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45 \/ SE-50\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 40-80 \/ 48-80\u003c\/li\u003e\n\u003cli\u003eWeight: 2.00 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06510007 100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06510007 100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06510007 100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06510007 100BB13 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060321135,"sku":"06510007-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06550004-60-chain-rider","title":"Rosta 06550004 #60 Chain Rider For SE27 Tensioner","description":"Rosta 06550004 #60 Chain Rider For SE27 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06550004 #60 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SGL_CHN_RDR_4c3e7d9b-74dc-4803-9f09-a1f17c43cab3.png?v=1737617663\" style=\"width: 313px;\" alt=\"Rosta 06550004 #60 Chain Rider For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06550004\u003c\/li\u003e\n\u003cli\u003eType: P-3\/4\"-12S\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 60\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 12B\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 148mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 72mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 19.5mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 30-61\u003c\/li\u003e\n\u003cli\u003eWeight: 0.18 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060353903,"sku":"06550004-60-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06550001-35-chain-rider","title":"Rosta 06550001 #35 Chain Rider For SE11 Tensioner","description":"Rosta 06550001 #35 Chain Rider For SE11 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06550001 #35 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SGL_CHN_RDR_a712de0c-a9f3-4bab-bb14-e52c9ebca3e0.png?v=1737617683\" style=\"width: 313px;\" alt=\"Rosta 06550001 #35 Chain Rider For SE11 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06550001\u003c\/li\u003e\n\u003cli\u003eType: P-3\/8\"-8S\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size:35\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 06B-1\u003c\/li\u003e\n\u003cli\u003eDimension (W): M8\u003c\/li\u003e\n\u003cli\u003eDimension (L): 45mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 74mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 37mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 10.2mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 11\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-11\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 19-34\u003c\/li\u003e\n\u003cli\u003eWeight: 0.5 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060386671,"sku":"06550001-35-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06585001-cb4-flat-belt-idler","title":"Rosta 06585001 CB4 Flat Belt Idler","description":"Rosta 06585001 CB4 Flat Belt Idler is manufactured using premium wear-resistant materials and has a 1\" flat surface width for a broad range of belts. \u003cbr\u003e\u003cbr\u003e\u003ch3\u003eCB4 Flat Belt Idler Dimensions\u003c\/h3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06585001 CB4 Flat Belt Idler\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eIdler Type: CB4\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06585001\u003c\/li\u003e\n\u003cli\u003eOverall Width: 1-7\/16\"\u003c\/li\u003e\n\u003cli\u003eFlat Surface Width: 1\"\u003c\/li\u003e\n\u003cli\u003ePulley OD: 4-3\/4\"\u003c\/li\u003e\n\u003cli\u003eBore: 1\/2\"\u003c\/li\u003e\n\u003cli\u003eLength Thru Bore: 23\/32\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06585001 CB4 Flat Belt Idler\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060419439,"sku":"06585001-CB4-FLAT-BELT-IDLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_rollers_black.jpg?v=1768513527"},{"product_id":"06530002-sprocket-wheel-set","title":"Rosta 06530002 T40BB15 Sprocket For SE27 Tensioner","description":"The Rosta 06530002 T40BB15 idler sprocket for SE27 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #40-3 triple roller chain for size SE 27 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530002 T40BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530002 T40BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T40BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530002\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 40-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 41-51\u003c\/li\u003e\n\u003cli\u003eWeight: 0.50 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530002 T40BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530002 T40BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530002 T40BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530002 T40BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060452207,"sku":"06530002-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06580903-rl27-roller","title":"Rosta 06580903 RL27 Tensioning Roller For SE27 Tensioner","description":"Rosta 06580903 RL27 Tensioning Roller For SE27 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\u003ch3\u003eRL27 Tensioning Roller Dimensions\u003c\/h3\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06580903 RL27 Tensioning Roller For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: RL27\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06580903\u003c\/li\u003e\n\u003cli\u003eMax Speed: 4500 RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Belt Width: 2.17\"\u003c\/li\u003e\n\u003cli\u003eDimension (A): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.87\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): M12\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut: 63.4 (lb\/ ft)\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eWeight: 1.10 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06580903 RL27 Tensioning Roller For SE27 Tensioner\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060484975,"sku":"06580903-RL27-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_rollers_black.jpg?v=1768513527"},{"product_id":"06520008-sprocket-wheel-set","title":"Rosta 06520008 D120BB11 Sprocket For SE45\/SE50 Tensioners","description":"The Rosta 06520008 D120BB11 idler sprocket for SE45\/SE50 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 11 teeth and runs #120-2 roller chain for size SE 45\/ SE 50 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520008 D120BB11 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_51f784f4-bf81-4d41-b86e-81174afc9fef.png?v=1737617651\" style=\"width: 144px;\" alt=\"Rosta 06520008 D120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D120BB11\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520008\u003c\/li\u003e\n\u003cli\u003eTooth Count: 11\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 120-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 140mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45 \/ SE-50\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 65-97 \/ 73-97\u003c\/li\u003e\n\u003cli\u003eWeight: 4.25 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520008 D120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520008 D120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520008 D120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520008 D120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060517743,"sku":"06520008-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06580004-r38-roller","title":"Rosta 06580004 R38 Tensioning Roller For SE38 Tensioner","description":"Rosta 06580004 R38 Tensioning Roller For SE38 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\u003ch3\u003eR38 Tensioning Roller Dimensions\u003c\/h3\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06580004 R38 Tensioning Roller For SE38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: R38\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06580004\u003c\/li\u003e\n\u003cli\u003eMax Speed: 5000 RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Belt Width: 3.35\"\u003c\/li\u003e\n\u003cli\u003eDimension (A): 3.35\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 3.15\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.98\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): M20\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut: 121.7 (lb\/ ft)\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-38\u003c\/li\u003e\n\u003cli\u003eWeight: 2.54 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06580004 R38 Tensioning Roller For SE38 Tensioner\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060550511,"sku":"06580004-R38-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_Roller.jpg?v=1768513321"},{"product_id":"06560003-50-2-chain-rider","title":"Rosta 06560003 #50-2 Chain Rider For - SE18 Tensioner","description":"Rosta 06560003 #50-2 Chain Rider For SE18 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06560003 #50-2 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DBL_CHN_RDR_fa729ebe-5b76-4e84-a1fc-f99e9c897589.png?v=1737617694\" style=\"width: 306px;\" alt=\"Rosta 06560003 #50-2 Chain Rider For - SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06560003\u003c\/li\u003e\n\u003cli\u003eType: P-5\/8\"-10D\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 50-2\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 10B-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 70mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 126mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 63mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 16.6mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 34-46\u003c\/li\u003e\n\u003cli\u003eWeight: 0.17 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060583279,"sku":"06560003-50-2-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06530005-sprocket-wheel-set","title":"Rosta 06530005 T60BB15 Sprocket For SE38 Tensioner","description":"The Rosta 06530005 T60BB15 idler sprocket for SE38 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #60-3 triple roller chain for size SE 38 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530005 T60BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530005 T60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T60BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530005\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 60-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 120mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: 38\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 59-80\u003c\/li\u003e\n\u003cli\u003eWeight: 1.50 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530005 T60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530005 T60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530005 T60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530005 T60BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060616047,"sku":"06530005-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06580003-r27-roller","title":"Rosta 06580003 R27 Tensioning Roller For SE27 Tensioner","description":"Rosta 06580003 R27 Tensioning Roller For SE27 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\u003ch3\u003eR27 Tensioning Roller Dimensions\u003c\/h3\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06580003 R27 Tensioning Roller For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: R27\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06580003\u003c\/li\u003e\n\u003cli\u003eMax Speed: 6000 RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Belt Width: 2.17\"\u003c\/li\u003e\n\u003cli\u003eDimension (A): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.67\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): M12\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut: 25.8 (lb\/ ft)\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eWeight: 0.88 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06580003 R27 Tensioning Roller For SE27 Tensioner\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060648815,"sku":"06580003-R27-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_Roller.jpg?v=1768513321"},{"product_id":"06550002-40-chain-rider","title":"Rosta 06550002 #40 Chain Rider For SE15\/SE18 Tensioner","description":"Rosta 06550002 #40 Chain Rider For SE15\/SE18 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06550002 #40 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/SGL_CHN_RDR_4c3e7d9b-74dc-4803-9f09-a1f17c43cab3.png?v=1737617663\" style=\"width: 313px;\" alt=\"Rosta 06550002 #40 Chain Rider For SE15\/SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06550002\u003c\/li\u003e\n\u003cli\u003eType: P-1\/2\"-10S\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 40\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 08B\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 96mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 48mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 13.9mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-15 \/ SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 23-41\u003c\/li\u003e\n\u003cli\u003eWeight: 0.10 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060681583,"sku":"06550002-40-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06520003-sprocket-wheel-set","title":"Rosta 06520003 D50BB15 Sprocket For SE27 Tensioner","description":"The Rosta 06520003 D50BB15 idler sprocket for SE27 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #50-2 roller chain for size SE 27 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520003 D50BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_51f784f4-bf81-4d41-b86e-81174afc9fef.png?v=1737617651\" style=\"width: 144px;\" alt=\"Rosta 06520003 D50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D50BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520003\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 50-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 36-57\u003c\/li\u003e\n\u003cli\u003eWeight: 0.60 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520003 D50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520003 D50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520003 D50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520003 D50BB15 Sprocket For SE27 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060714351,"sku":"06520003-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06590001-ws11-bracket","title":"Rosta 06590001 WS11 Support Bracket For SE11 Tensioner","description":"Rosta 06590001 WS11 Support Bracket creates easier mounting for the SE-11 Tensioner. Being manufactured from high-grade high-strength steel means that this support bracket is up for the task of long-term usage with the tensioner! \u003cbr\u003e\n\u003ch3\u003eWS11 Support Bracket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rosta_WS_Bracket_DWG_e14af8b8-b499-4ae1-a314-6e7241b09b0f.png?v=1737617699\" style=\"width: 273px;\" alt=\"Rosta 06590001 WS11 Support Bracket For SE11 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: WS-11\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06590001\u003c\/li\u003e\n\u003cli\u003eUse on Tensioner Size: SE-11\u003c\/li\u003e\n\u003cli\u003eDimension (A): 0.26\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 0.22\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.28\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.30\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 1.18\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): 0.51\"\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.45\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): 1.06\"\u003c\/li\u003e\n\u003cli\u003eDimension (J): 0.16\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 1.77\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 1.18\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 1.81\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 1.38\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.39\"\u003c\/li\u003e\n\u003cli\u003eWeight: 0.2 (LBS)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060747119,"sku":"06590001-WS11-BRACKET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Rosta_Support_Bracket.jpg?v=1768513685"},{"product_id":"06560001-35-2-chain-rider","title":"Rosta 06560001 #35-2 Chain Rider For SE11 Tensioner","description":"Rosta 06560001 #35-2 Chain Rider For SE11 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06560001 #35-2 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DBL_CHN_RDR_c4f9cefd-6f09-4ce9-abda-a1a569d6112f.png?v=1737617705\" style=\"width: 306px;\" alt=\"Rosta 06560001 #35-2 Chain Rider For SE11 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06560001\u003c\/li\u003e\n\u003cli\u003eType: P-3\/8\"-8D\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 35-2\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 06B-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M8\u003c\/li\u003e\n\u003cli\u003eDimension (L): 45mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 74mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 37mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 10.2mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 11\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-11\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 25-30\u003c\/li\u003e\n\u003cli\u003eWeight: 0.7 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060779887,"sku":"06560001-35-2-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06590003-ws18-bracket","title":"Rosta 06590003 WS18 Support Bracket For SE18 Tensioner","description":"Rosta 06590003 WS18 Support Bracket creates easier mounting for the SE-18 Tensioner. Being manufactured from high-grade high-strength steel means that this support bracket is up for the task of long-term usage with the tensioner! \u003cbr\u003e\n\u003ch3\u003eWS18 Support Bracket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rosta_WS_Bracket_DWG_97dd7c61-d69e-43d5-a855-04b921b30b08.png?v=1737617711\" style=\"width: 273px;\" alt=\"Rosta 06590003 WS18 Support Bracket For SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: WS-18\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06590003\u003c\/li\u003e\n\u003cli\u003eUse on Tensioner Size: SE-18\u003c\/li\u003e\n\u003cli\u003eDimension (A): 0.41\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 0.33\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.37\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 1.97\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): 0.61\"\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.65\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): 1.69\"\u003c\/li\u003e\n\u003cli\u003eDimension (J): 0.24\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 2.76\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 1.50\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 2.91\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 2.17\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.79\"\u003c\/li\u003e\n\u003cli\u003eWeight: 0.6 (LBS)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060845423,"sku":"06590003-WS18-BRACKET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Rosta_Support_Bracket.jpg?v=1768513685"},{"product_id":"06580002-r15-18-roller","title":"Rosta 06580002 R15\/18 Tensioning Roller For SE15\/SE18 Tensioners","description":"Rosta 06580002 R15\/18 Tensioning Roller For SE15\/SE18 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\u003ch3\u003eR15\/18 Tensioning Roller Dimensions\u003c\/h3\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06580002 R15\/18 Tensioning Roller For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: R15\/18\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06580002\u003c\/li\u003e\n\u003cli\u003eMax Speed: 8000 RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Belt Width: 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (A): 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 1.77\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.24\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.63\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.28\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): M10\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut: 14.8 (lb\/ ft)\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-15 \/ SE-18\u003c\/li\u003e\n\u003cli\u003eWeight: 0.37 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06580002 R15\/18 Tensioning Roller For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060878191,"sku":"06580002-R15-18-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_Roller.jpg?v=1768513321"},{"product_id":"06530008-sprocket-wheel-set","title":"Rosta 06530008 T120BB11 Sprocket For SE45\/SE50 Tensioners","description":"The Rosta 06530008 T120BB11 idler sprocket for SE45\/SE50 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 11 teeth and runs #120-3 triple roller chain for size SE 45\/ SE 50 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530008 T120BB11 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530008 T120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T120BB11\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530008\u003c\/li\u003e\n\u003cli\u003eTooth Count: 11\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 120-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 180mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45 \/ SE-50\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 90-111 \/ 98-111\u003c\/li\u003e\n\u003cli\u003eWeight: 6.20 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530008 T120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530008 T120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530008 T120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530008 T120BB11 Sprocket For SE45\/SE50 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060910959,"sku":"06530008-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06580005-r45-roller","title":"Rosta 06580005 R45 Tensioning Roller For SE45 Tensioner","description":"Rosta 06580005 R45 Tensioning Roller For SE45 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\u003ch3\u003eR45 Tensioning Roller Dimensions\u003c\/h3\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06580005 R45 Tensioning Roller For SE45 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: R45\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06580005\u003c\/li\u003e\n\u003cli\u003eMax Speed: 4500 RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Belt Width: 5.12\"\u003c\/li\u003e\n\u003cli\u003eDimension (A): 3.54\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 5.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.39\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 1.06\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.47\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): M20\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut: 121.7 (lb\/ ft)\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-45\u003c\/li\u003e\n\u003cli\u003eWeight: 3.86 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06580005 R45 Tensioning Roller For SE45 Tensioner\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060943727,"sku":"06580005-R45-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_Roller.jpg?v=1768513321"},{"product_id":"06560004-60-2-chain-rider","title":"Rosta 06560004 #60-2 Chain Rider For SE27 Tensioner","description":"Rosta 06560004 #60-2 Chain Rider For SE27 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06560004 #60-2 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DBL_CHN_RDR_fa729ebe-5b76-4e84-a1fc-f99e9c897589.png?v=1737617694\" style=\"width: 306px;\" alt=\"Rosta 06560004 #60-2 Chain Rider For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06560004\u003c\/li\u003e\n\u003cli\u003eType: P3\/4\"-12D\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 60-2\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 12B-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M12\u003c\/li\u003e\n\u003cli\u003eDimension (L): 80mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 148mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 72mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 19.5mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 35\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-27\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 40-52\u003c\/li\u003e\n\u003cli\u003eWeight: 0.26 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714060976495,"sku":"06560004-60-2-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06580902-rl15-18-roller","title":"Rosta 06580902 RL15\/18 Tensioning Roller For SE15\/SE18 Tensioners","description":"Rosta 06580902 RL15\/18 Tensioning Roller For SE15\/SE18 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\u003ch3\u003eRL15\/18 Tensioning Roller Dimensions\u003c\/h3\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_4726f762-ba9a-4baa-8694-503b7b07ad30.png?v=1737617688\" style=\"width: 183px;\" alt=\"Rosta 06580902 RL15\/18 Tensioning Roller For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: RL15\/18\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06580902\u003c\/li\u003e\n\u003cli\u003eMax Speed: 6000 RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Belt Width: 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (A): 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 1.77\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.24\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.83\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.35\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): M10\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut: 36.1 (lb\/ ft)\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-15 \/ SE-18\u003c\/li\u003e\n\u003cli\u003eWeight: 0.37 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_b6b8429b-5675-43be-9b5c-aed719da298a.png?v=1737617688\" style=\"width: 248px;\" alt=\"Rosta 06580902 RL15\/18 Tensioning Roller For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive. \u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061009263,"sku":"06580902-RL15-18-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_rollers_black.jpg?v=1768513527"},{"product_id":"06580001-r11-roller","title":"Rosta 06580001 R11 Tensioning Roller For SE11 Tensioner","description":"Rosta 06580001 R11 Tensioning Roller For SE11 Tensioner is a permanently lubricated roller that utilizes premium 2Z C3 shielded bearings. It has a broad operating temperature range of -31° to + 212° degrees Fahrenheit.\u003cbr\u003e\n\u003ch3\u003eR11 Tensioning Roller Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rolsa_roller_DWG_3894c0b4-8d1a-4ffc-9609-f69db7b80923.png?v=1737617716\" style=\"width: 183px;\" alt=\"Rosta 06580001 R11 Tensioning Roller For SE11 Tensioner\"\u003e\u003cbr\u003e\n\u003cul style=\"letter-spacing: normal;\"\u003e\n\t\u003cli\u003eType: R11\u003c\/li\u003e\n\t\u003cli\u003eArticle Number: 06580001\u003c\/li\u003e\n\t\u003cli\u003eMax Speed: 8000 RPM\u003c\/li\u003e\n\t\u003cli\u003eMaximum Belt Width: 1.18\"\u003c\/li\u003e\n\t\u003cli\u003eDimension (A): 1.18\"\u003c\/li\u003e\n\t\u003cli\u003eDimension (B): 1.38\"\u003c\/li\u003e\n\t\u003cli\u003eDimension (C): 0.08\"\u003c\/li\u003e\n\t\u003cli\u003eDimension (D): 0.55\"\u003c\/li\u003e\n\t\u003cli\u003eDimension (E): 0.20\"\u003c\/li\u003e\n\t\u003cli\u003eDimension (F): M8\u003c\/li\u003e\n\t\u003cli\u003eTorque Hex Nut: 18.4 (lb\/ ft)\u003c\/li\u003e\n\t\u003cli\u003eWorks With Tensioner Type: SE-11\u003c\/li\u003e\n\t\u003cli\u003eWeight: 0.18 LBS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTensioning With Flat Roller on Belt Back\u003c\/h4\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/FL_BELT_TEN_0832d9bb-8942-4e39-8256-8ae7b7061a41.png?v=1737617716\" style=\"width: 248px;\" alt=\"Rosta 06580001 R11 Tensioning Roller For SE11 Tensioner\"\u003e\u003cbr\u003e– The diameter of the flat tensioning roller should at least measure 2⁄3 of the diameter of the smallest pulley in the drive.\n\u003cbr\u003e– The width of the tensioning roller should be at least 20% wider than the overall width of the belt set.\u003cbr\u003e– Installation on the belt back in the slack span, make sure that the belts are maintaining sufficient contact-arc on the driver and driven pulley.\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061042031,"sku":"06580001-R11-ROLLER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Tensioning_Roller.jpg?v=1768513321"},{"product_id":"06520001-sprocket-wheel-set","title":"Rosta 06520001 D35BB15 Sprocket For SE15\/SE18 Tensioners","description":"The Rosta 06520001 D35BB15 idler sprocket for SE15\/SE18 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #35-2 roller chain for size SE 15\/SE 18 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06520001 D35BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH2_DBL_77ad8287-3337-473b-a983-0e70ce03bb60.png?v=1737617721\" style=\"width: 144px;\" alt=\"Rosta 06520001 D35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: D35BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06520001\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 35-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-15 \/ SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 27-39 \/ 28-39\u003c\/li\u003e\n\u003cli\u003eWeight: 2.00 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06520001 D35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06520001 D35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06520001 D35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06520001 D35BB15 Sprocket For SE15\/SE18 Tensioners\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061074799,"sku":"06520001-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06618400-ss27-safty-socket","title":"Rosta 06618400 SS27 Safty Socket For SE27 Tensioner","description":"Rosta 06618400 SS27 Safty Socket is designed for the SE-27 tensioner and works to provide sufficient friction locking on painted or uneven surfaces, positioning and re-tensioning can be made with these standardized Safety Sockets.\u003cbr\u003e\n\u003ch3\u003eSS27 Safety Socket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_SS_DWG_34496514-c61f-4ad5-9697-93e03a4a2154.png?v=1737617726\" style=\"width: 213px;\" alt=\"Rosta 06618400 SS27 Safty Socket For SE27 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSafety Socket Type: SS-27\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06618400\u003c\/li\u003e\n\u003cli\u003eUse on Tensioner Size: SE-27\u003c\/li\u003e\n\u003cli\u003eDimension (A): 4.09\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 5.12\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 2.36\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.51\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 0.31\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): 3.11\"\u003c\/li\u003e\n\u003cli\u003eWeight (LBS): 0.8\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061107567,"sku":"06618400-SS27-SAFTY-SOCKET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/06618400-SS27-SAFTY-SOCKET-2.png?v=1756323100"},{"product_id":"06530004-sprocket-wheel-set","title":"Rosta 06530004 T50BB15 Sprocket For SE38 Tensioner","description":"The Rosta 06530004 T50BB15 idler sprocket for SE38 tensioners is manufactured to ANSI and ISO standards and is made from high-quality steel. It has 15 teeth and runs #50-3 triple roller chain for size SE 38 tensioners. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003e06530004 T50BB15 Sprocket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/RSTA_SPK_WH_TPL_597bd326-19a6-4e07-a889-ec80923b7fcd.png?v=1737617667\" style=\"width: 146px;\" alt=\"Rosta 06530004 T50BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eSprocket Size: T50BB15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06530004\u003c\/li\u003e\n\u003cli\u003eTooth Count: 15\u003c\/li\u003e\n\u003cli\u003eWorks With Chain Size: 50-3\u003c\/li\u003e\n\u003cli\u003eDimension (W): M20\u003c\/li\u003e\n\u003cli\u003eDimension (L): 120mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 165\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-38\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 56-84\u003c\/li\u003e\n\u003cli\u003eWeight: 1.25 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eMounting Instructions for Chain Drives\u003c\/h4\u003e\u003cb\u003eStandard Positioning: \u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD1_7bdcccb2-06c0-4dcc-a062-8a27963393dd.png?v=1737617639\" style=\"width: 170px;\" alt=\"Rosta 06530004 T50BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe ROSTA tensioning device should be placed on the slack side of the chain drive, close by the smaller sprocket wheel in order to enlarge its contact-arc, therefore contact application from the outer side of drive. In mounted position, the tensioner-arm should stay close to parallel to the chain run, in drain direction. By extremely long chain drives it is recommendable to install several tensioners or the type “Boomerang®” in order to enlarge the slack compensation. \u003cbr\u003e\u003cb\u003eReversible Chain Drive:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD3_2e5a2e3d-0453-41cf-ab0d-bb47261d1179.png?v=1737617639\" style=\"width: 182px;\" alt=\"Rosta 06530004 T50BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy reversible chain transmissions, it is recommendable to install a tensioner on each side of the chain-strands. Due to the alternate occurring of the slack, both tensioners should only be pre-tensioned up to max. 20°, in order to retain a reset-path of 10°, when strains are changing from slack span on working span in reversible applications. \u003cbr\u003e\u003cb\u003eSprocket Teeth in Mesh:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD2_fd60da7b-f2aa-47d8-8b3e-6ef9181597e8.png?v=1737617639\" style=\"width: 150px;\" alt=\"Rosta 06530004 T50BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eBy the initial tensioning of the chain, at least three teeth of the tensioner sprocket wheel should be in mesh with the rollers. The min. distance between the sprocket wheel of the tensioner to the next sprocket wheel in the chain drive should be at least four chain-pitches.\u003cbr\u003e\u003cb\u003eAdjustment of Chain Track:\u003c\/b\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/MIFD4_2bbf0311-92f3-4c30-892d-b64e14b19fc9.png?v=1737617640\" style=\"width: 116px;\" alt=\"Rosta 06530004 T50BB15 Sprocket For SE38 Tensioner\"\u003e\u003cbr\u003eThe wheel of the sprocket wheelset is adjustable according to the position of the chain drive track. The wheel is positioned between two nuts on the threaded shaft. In changing the adjustment band “R”, the track of the tensioner wheel can be set according to the relevant strand course. After positioning the sprocket, re-tighten the two nuts on the side. The counter-nut “B” remains always tightened.","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061140335,"sku":"06530004-SPROCKET-WHEEL-SET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/ROSTA_Sprocket_Tensioner.jpg?v=1768506787"},{"product_id":"06560002-40-2-chain-rider","title":"Rosta 06560002 #40-2 Chain Rider For SE15\/SE18 Tensioner","description":"Rosta 06560002 #40-2 Chain Rider For SE15\/SE18 Tensioners is made from high-quality POM-H and is designed for double-sided use. The maximum allowable speed for the chain rider is 59 inches per second. For more information or to get a quote please contact us and we will be happy to assist you!\u003cbr\u003e\u003cbr\u003e\n\u003ch3\u003eRosta 06560002 #40-2 Chain Rider Dimension\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DBL_CHN_RDR_fa729ebe-5b76-4e84-a1fc-f99e9c897589.png?v=1737617694\" style=\"width: 306px;\" alt=\"Rosta 06560002 #40-2 Chain Rider For SE15\/SE18 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eArticle Number: 06560002\u003c\/li\u003e\n\u003cli\u003eType: P-1\/2\"-10D\u003c\/li\u003e\n\u003cli\u003eWorks With ANSI Chain Size: 40-2\u003c\/li\u003e\n\u003cli\u003eWorks With DIN 8187 Chain Size: 08B-2\u003c\/li\u003e\n\u003cli\u003eDimension (W): M10\u003c\/li\u003e\n\u003cli\u003eDimension (L): 55mm\u003c\/li\u003e\n\u003cli\u003eDimension (X): 96mm\u003c\/li\u003e\n\u003cli\u003eDimension (Y): 48mm\u003c\/li\u003e\n\u003cli\u003eDimension (Z): 13.9mm\u003c\/li\u003e\n\u003cli\u003eTorque Hex Nut 0.5 d (Nm): 20\u003c\/li\u003e\n\u003cli\u003eWorks With Tensioner Type: SE-15 \/ SE-18\u003c\/li\u003e\n\u003cli\u003eAdjustable Range (R) with SE: 30-34\u003c\/li\u003e\n\u003cli\u003eWeight: 0.12 kG\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061173103,"sku":"06560002-40-2-CHAIN-RIDER","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Chain_Rider.jpg?v=1768512775"},{"product_id":"06590002-ws15-bracket","title":"Rosta 06590002 WS15 Support Bracket For SE15 Tensioner","description":"Rosta 06590002 WS15 Support Bracket creates easier mounting for the SE-15 Tensioner. Being manufactured from high-grade high-strength steel means that this support bracket is up for the task of long-term usage with the tensioner! \u003cbr\u003e\n\u003ch3\u003eWS15 Support Bracket Dimensions\u003c\/h3\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/rosta_WS_Bracket_DWG_97dd7c61-d69e-43d5-a855-04b921b30b08.png?v=1737617711\" style=\"width: 273px;\" alt=\"Rosta 06590002 WS15 Support Bracket For SE15 Tensioner\"\u003e\u003cbr\u003e\u003cul style=\"letter-spacing: normal;\"\u003e\n\u003cli\u003eType: WS-15\u003c\/li\u003e\n\u003cli\u003eArticle Number: 06590002\u003c\/li\u003e\n\u003cli\u003eUse on Tensioner Size: SE-15\u003c\/li\u003e\n\u003cli\u003eDimension (A): 0.33\"\u003c\/li\u003e\n\u003cli\u003eDimension (B): 0.26\"\u003c\/li\u003e\n\u003cli\u003eDimension (C): 0.28\"\u003c\/li\u003e\n\u003cli\u003eDimension (D): 0.30\"\u003c\/li\u003e\n\u003cli\u003eDimension (E): 1.57\"\u003c\/li\u003e\n\u003cli\u003eDimension (F): 0.51\"\u003c\/li\u003e\n\u003cli\u003eDimension (G): 0.53\"\u003c\/li\u003e\n\u003cli\u003eDimension (H): 1.34\"\u003c\/li\u003e\n\u003cli\u003eDimension (J): 0.20\"\u003c\/li\u003e\n\u003cli\u003eDimension (K): 2.17\"\u003c\/li\u003e\n\u003cli\u003eDimension (L): 1.26\"\u003c\/li\u003e\n\u003cli\u003eDimension (M): 2.28\"\u003c\/li\u003e\n\u003cli\u003eDimension (N): 1.73\"\u003c\/li\u003e\n\u003cli\u003eDimension (O): 0.47\"\u003c\/li\u003e\n\u003cli\u003eWeight: 0.3 (LBS)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":51714061205871,"sku":"06590002-WS15-BRACKET","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/Rosta_Support_Bracket.jpg?v=1768513685"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/collections\/roll-ring-tensioner_77ee2dbe-50cf-4ca1-9f88-8771e788ff24.png?v=1774627752","url":"https:\/\/usarollerchain.com\/collections\/roller-chain-tensioner-s-2426.oembed?page=4","provider":"USA ROLLER CHAIN","version":"1.0","type":"link"}