{"product_id":"durochain-metric-210b-roller-chain","title":"DUROCHAIN 210B Roller Chain","description":"\u003cdiv style=\"font-size: 16px; line-height: 1.7; color: #222;\"\u003e\n\u003cp\u003e\u003cstrong style=\"color: #2c358d; font-size: 18px;\"\u003eExperience the DUROCHAIN Difference.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDUROCHAIN Premium \u003cstrong\u003e#210B\u003c\/strong\u003e single-strand double-pitch metric roller chain is built for dependable power transmission, smooth operation, and extended service life in demanding industrial applications. Manufactured to applicable ISO, DIN, and British Standards, this chain provides accurate dimensional compatibility with metric double-pitch roller chain systems and components.\u003c\/p\u003e\n\u003cp\u003eFeaturing a \u003cstrong\u003e31.75mm pitch\u003c\/strong\u003e, DUROCHAIN \u003cstrong\u003e#210B\u003c\/strong\u003e double-pitch metric chain is a reliable choice for industrial machinery, conveyor systems, material handling equipment, packaging machinery, agricultural equipment, and other applications requiring consistent operation over longer pitch distances.\u003c\/p\u003e\n\u003cp\u003eBuilt for rock-solid reliability and extended service life, every DUROCHAIN \u003cstrong\u003e#210B\u003c\/strong\u003e roller chain is manufactured using premium carbon steel components, through-hardened pins, solid bushings, solid rollers, quad-staked rivets, precision-prepared plate holes, and factory-applied lubrication to help improve strength, wear resistance, shock-load capability, and overall operating performance.\u003c\/p\u003e\n\u003cdiv style=\"margin-top: 25px; padding: 16px; background: #f8f9fb; border-left: 4px solid #ef3a42;\"\u003eNeed help selecting the right double-pitch metric roller chain, sprockets, or accessories for your application? \u003ca style=\"color: #2c358d; font-weight: bold; text-decoration: none;\" href=\"\/pages\/contact\"\u003eContact Us\u003c\/a\u003e — our team is here to help.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"font-size: 16px; line-height: 1.7; color: #222; margin-top: 30px;\"\u003e\n\u003ch3 style=\"color: #2c358d; font-size: 22px; margin-bottom: 18px;\"\u003eDUROCHAIN Premium #210B Double-Pitch Metric Roller Chain Features\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.duro-feature-grid {\n  display: grid;\n  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));\n  gap: 22px;\n}\n\n.duro-feature-card {\n  padding: 18px;\n  background: #f8f9fb;\n  border: 1px solid #e5e7eb;\n  border-radius: 10px;\n  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;\n}\n\n.duro-feature-card:hover {\n  transform: translateY(-5px);\n  box-shadow: 0 10px 24px rgba(44, 53, 141, 0.16);\n  border-color: #2c358d;\n}\n\n.duro-feature-image {\n  background: #fff;\n  border-radius: 8px;\n  padding: 12px;\n  text-align: center;\n  margin-bottom: 14px;\n  min-height: 130px;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n}\n\n.duro-feature-image img {\n  max-width: 180px;\n  width: 100%;\n  height: auto;\n  transition: transform 0.25s ease;\n}\n\n.duro-feature-card:hover .duro-feature-image img {\n  transform: scale(1.04);\n}\n\u003c\/style\u003e\n\u003cdiv style=\"font-size: 16px; line-height: 1.7; color: #222; margin-top: 30px;\"\u003e\n\u003cdiv class=\"duro-feature-grid\"\u003e\n\u003cdiv class=\"duro-feature-card\"\u003e\n\u003cdiv class=\"duro-feature-image\"\u003e\u003cimg alt=\"DUROCHAIN double-pitch metric roller chain through-hardened pins\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_pin.png?v=1778698716\"\u003e\u003c\/div\u003e\n\u003ch4 style=\"color: #2c358d; font-size: 17px; margin: 0 0 8px;\"\u003eThrough-Hardened Pins\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eDUROCHAIN pins are through-hardened for increased strength, improved wear resistance, and dependable performance throughout the service life of the chain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"duro-feature-card\"\u003e\n\u003cdiv class=\"duro-feature-image\"\u003e\u003cimg alt=\"DUROCHAIN double-pitch metric chain solid bushings and rollers\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_bushings_and_rollers.jpg?v=1778699193\"\u003e\u003c\/div\u003e\n\u003ch4 style=\"color: #2c358d; font-size: 17px; margin: 0 0 8px;\"\u003eSolid Bushings \u0026amp; Rollers\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003ePrecision solid bushings and solid rollers provide smooth cylindrical bearing surfaces that help reduce friction, resist deformation, and improve overall chain wear life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"duro-feature-card\"\u003e\n\u003cdiv class=\"duro-feature-image\"\u003e\u003cimg alt=\"DUROCHAIN double-pitch metric chain superior plate hole preparation\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_ball_drift_sideplate.jpg?v=1778699194\"\u003e\u003c\/div\u003e\n\u003ch4 style=\"color: #2c358d; font-size: 17px; margin: 0 0 8px;\"\u003eSuperior Plate Hole Preparation\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003ePrecision-pierced, shaved, and ball-drifted plate holes help promote accurate component fitment, improved pin-to-plate contact, and dependable holding strength.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"duro-feature-card\"\u003e\n\u003cdiv class=\"duro-feature-image\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_max_contour_sideplate.jpg?v=1778699193\" alt=\"DUROCHAIN max contour side plates\"\u003e\u003c\/div\u003e\n\u003ch4 style=\"color: #2c358d; font-size: 17px; margin: 0 0 8px;\"\u003eMax Contour Side Plates\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eMax contour side plates are designed to add strength where it matters while maintaining ANSI dimensional requirements for proper interchangeability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"duro-feature-card\"\u003e\n\u003cdiv class=\"duro-feature-image\"\u003e\u003cimg alt=\"DUROCHAIN double-pitch metric chain quad-staked rivets\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_quad_stake_rivets.jpg?v=1778699194\"\u003e\u003c\/div\u003e\n\u003ch4 style=\"color: #2c358d; font-size: 17px; margin: 0 0 8px;\"\u003eQuad-Staked Rivets\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eHigh-hold quad-staked rivets help improve chain integrity, side-load capability, shock-load resistance, and dependable performance in demanding industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"duro-feature-card\"\u003e\n\u003cdiv class=\"duro-feature-image\"\u003e\u003cimg alt=\"DUROCHAIN double-pitch metric chain factory preload process\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_pre_load.jpg?v=1778699193\"\u003e\u003c\/div\u003e\n\u003ch4 style=\"color: #2c358d; font-size: 17px; margin: 0 0 8px;\"\u003eFactory Preload\u003c\/h4\u003e\n\u003cp style=\"margin: 0;\"\u003eFactory preloading helps properly seat and align chain components before installation, reducing initial elongation and promoting consistent operation once placed into service.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":53264663806319,"sku":"N-RC-P-210B-7325","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/DUROCHAIN_DOUBLE_PITCH_5af1f56d-9547-4b60-b394-e1aecc797f6a.jpg?v=1785785183","url":"https:\/\/usarollerchain.com\/products\/durochain-metric-210b-roller-chain","provider":"USA ROLLER CHAIN","version":"1.0","type":"link"}