{"product_id":"120-240-roller-chain-wear-gauge","title":"#120-240 Roller Chain Wear Gauge - Made In USA","description":"\u003cstyle\u003e\n  .wear-card {\n    transition: all 0.3s ease;\n  }\n\n  .wear-card:hover {\n    transform: translateY(-5px);\n    box-shadow: 0 10px 24px rgba(0,0,0,0.15) !important;\n  }\n\u003c\/style\u003e\n\u003ch2 style=\"text-align: center; color: #2c358d; margin: 0 0 30px; text-transform: uppercase;\"\u003eProudly Made In The \u003cspan style=\"color: rgb(255, 42, 0);\"\u003eU\u003c\/span\u003e\u003cspan style=\"color: rgb(204, 204, 204);\"\u003eS\u003c\/span\u003eA\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e#120-240 Roller Chain Wear Gauge\u003c\/strong\u003e is manufactured to extremely high precision tolerances and is designed for quickly checking wear on ANSI roller chains ranging from \u003cstrong\u003e#120 through #240\u003c\/strong\u003e. This compact gauge is an essential maintenance tool for maintenance technicians, plant managers, and reliability teams looking to maximize chain life and prevent unexpected downtime.\u003c\/p\u003e\n\u003cp\u003eUnlike complicated measuring methods that require calipers or chain measurements, this wear gauge provides an instant visual indication of chain elongation. Its lightweight, pocket-sized design makes it easy to carry throughout your facility while performing routine inspections.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px; margin: 35px 0; align-items: stretch;\"\u003e\n\u003cdiv style=\"flex: 1 1 320px; border: 2px solid #2c358d; border-radius: 12px; padding: 25px; background: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);\"\u003e\n\u003ch3 style=\"color: rgb(44, 53, 141); margin-top: 0px; text-transform: uppercase; text-align: center;\"\u003eCompatible Chain Sizes:\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin-bottom: 20px; display: flex; flex-wrap: wrap; gap: 8px 35px;\"\u003e\n\u003cli style=\"width: 45%; font-size: 24px; text-align: center;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/usarollerchain.com\/collections\/120-roller-chain-s-2152\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e#120 Roller Chain\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"width: 45%; font-size: 24px; text-align: center;\"\u003e\u003ca href=\"https:\/\/usarollerchain.com\/collections\/180-roller-chain-s-2242\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e#180 Roller Chain\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"width: 45%; font-size: 24px; text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/usarollerchain.com\/collections\/140-roller-chain-s-2153\" target=\"_blank\"\u003e#140 Roller Chain\u003c\/a\u003e\u003ca href=\"https:\/\/usarollerchain.com\/collections\/50-roller-chain-s-1942\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"width: 45%; font-size: 24px; text-align: center;\"\u003e\u003ca href=\"https:\/\/usarollerchain.com\/collections\/200-roller-chain-s-2243\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e#200 Roller Chain\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"width: 45%; font-size: 24px; text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/usarollerchain.com\/collections\/160-roller-chain-s-2186\" target=\"_blank\"\u003e#160 Roller Chain\u003c\/a\u003e\u003ca href=\"https:\/\/usarollerchain.com\/collections\/80-roller-chain-s-2120\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"width: 45%; font-size: 24px; text-align: center;\"\u003e\u003ca href=\"https:\/\/usarollerchain.com\/collections\/240-roller-chain-s-2244\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e#240 Roller Chain\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"margin-top: 15px; padding-top: 15px; border-top: 1px solid #d9d9d9;\"\u003e\n\u003cp style=\"margin: 0px; font-size: 15px; line-height: 1.5; text-align: center;\"\u003e\u003cspan style=\"color: rgb(181, 32, 3);\"\u003e\u003cstrong\u003eNeed a gauge to check a smaller size chain?\u003c\/strong\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(181, 32, 3);\"\u003eCheck out our gauge for ANSI #35-100\u003c\/span\u003e \u003ca href=\"https:\/\/usarollerchain.com\/products\/35-100-roller-chain-wear-gauge?_pos=2\u0026amp;_psq=35-100\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ehere\u003c\/span\u003e.\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 320px; border: 2px solid #2c358d; border-radius: 12px; padding: 18px 25px; background: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);\"\u003e\n\u003ch3 style=\"color: #2c358d; margin-top: 0; text-transform: uppercase;\"\u003eWhy Use a Roller Chain Wear Gauge?\u003c\/h3\u003e\n\u003cul style=\"list-style: none; padding-left: 0; margin-bottom: 0; display: flex; flex-wrap: wrap; gap: 14px 35px;\"\u003e\n\u003cli style=\"width: 45%;\"\u003eQuick and accurate chain wear inspections\u003c\/li\u003e\n\u003cli style=\"width: 45%;\"\u003eNo calipers or measuring tools required\u003c\/li\u003e\n\u003cli style=\"width: 45%;\"\u003eHelps prevent unexpected chain failures\u003c\/li\u003e\n\u003cli style=\"width: 45%;\"\u003eProtects sprockets from excessive wear\u003c\/li\u003e\n\u003cli style=\"width: 45%;\"\u003eCompact and easy to carry throughout your facility\u003c\/li\u003e\n\u003cli style=\"width: 45%;\"\u003eMade in the USA from high-quality materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: rgb(44, 53, 141); margin-top: 30px; text-transform: uppercase; text-align: center;\"\u003eHow To Use The #120-240 Roller Chain Wear Gauge\u003c\/h3\u003e\n\u003cdiv style=\"max-width: 1000px; margin: 20px auto 35px; border: 2px solid #2c358d; border-radius: 12px; padding: 18px; background: #fff; box-shadow: 0 3px 8px rgba(0,0,0,.08);\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px; align-items: center;\"\u003e\n\u003cdiv style=\"flex: 0 0 160px; text-align: center;\"\u003e\u003cimg style=\"width: 140px; max-width: 100%; border-radius: 8px;\" alt=\"#35-#100 Roller Chain Wear Gauge\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/IMG_0831_8090e014-d22d-437d-806d-9657c3e3de86.jpg?v=1737618222\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 450px;\"\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #2c358d;\"\u003eStep 1:\u003c\/strong\u003e Verify the chain size falls within the #120 through #240 range.\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 18px;\"\u003e\n\u003cstrong style=\"color: #2c358d;\"\u003eStep 2:\u003c\/strong\u003e Place the wear gauge between the chain rollers and allow it to settle naturally.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"color: #2c358d;\"\u003eStep 3:\u003c\/strong\u003e If the gauge drops completely through and reaches the next size indication, the chain has exceeded acceptable wear limits and should be replaced.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"text-align: center; color: #2c358d; margin: 45px 0 15px;\"\u003eAdditional Signs Your Roller Chain May Need Replacement\u003c\/h2\u003e\n\u003cp style=\"text-align: center; max-width: 950px; margin: 0 auto 30px;\"\u003e\u003cstrong\u003eA roller chain wear gauge is one of the easiest ways to check for chain elongation (stretch), but there are also other visual wear indicators that you should be looking out for during routine maintenance inspections. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; margin-bottom: 35px;\"\u003e\n\u003cdiv class=\"wear-card\" style=\"flex: 1 1 260px; max-width: 360px; border: 2px solid #2c358d; border-radius: 12px; padding: 25px; background: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);\"\u003e\n\u003ch3 style=\"color: #2c358d; text-align: center; margin-top: 0;\"\u003eSide Plate Wear\u003c\/h3\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/image1_357ce8e1-6527-40e9-b120-db3aa6fdf812.gif?v=1737384747\"\u003e\u003c\/p\u003e\n\u003cp\u003eWhen roller chain runs against a track, guide, or abrasive surface, the side plates can wear down over time. If side plate wear exceeds approximately 5% of the original plate height, replacement should be scheduled as soon as possible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wear-card\" style=\"flex: 1 1 260px; max-width: 360px; border: 2px solid #2c358d; border-radius: 12px; padding: 25px; background: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);\"\u003e\n\u003ch3 style=\"color: #2c358d; text-align: center; margin-top: 0;\"\u003eCracked Plates\u003c\/h3\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/image6.gif?v=1737384748\"\u003e\u003c\/p\u003e\n\u003cp\u003eCracked plates can occur from shock loading, overloading, or harsh operating conditions. If cracking is present, the chain should be replaced immediately and the application should be reviewed to confirm the chain is properly sized.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wear-card\" style=\"flex: 1 1 260px; max-width: 360px; border: 2px solid #2c358d; border-radius: 12px; padding: 25px; background: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);\"\u003e\n\u003ch3 style=\"color: #2c358d; text-align: center; margin-top: 0;\"\u003eElongated Holes\u003c\/h3\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/image9.gif?v=1737384747\"\u003e\u003c\/p\u003e\n\u003cp\u003eElongated pin holes are often caused by high overloading or excessive wear. This condition can weaken the chain and may indicate that a larger chain size or different chain type is needed for the application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"USA ROLLER CHAIN","offers":[{"title":"Default Title","offer_id":53110031581551,"sku":"USA-WG-120-240-5862","price":204.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/0187\/7925\/files\/120-CHAIN-WEAR-GAUGE-2_8bbeb41a-ed85-4c3a-a7d2-d636e4dbd338.png?v=1756337995","url":"https:\/\/usarollerchain.com\/products\/120-240-roller-chain-wear-gauge","provider":"USA ROLLER CHAIN","version":"1.0","type":"link"}