{"product_id":"martin-40bs261-bored-to-size-sprocket-1-in-diameter-bore-40-chain","title":"Martin 40BS261 Bored-to-Size Sprocket 1 in Diameter Bore #40 Chain","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eMartin 40BS261 is a bored-to-size roller chain sprocket designed for use in various power transmission applications. This type BS sprocket features a one inch diameter bore and is built for #40 chain compatibility. The overall diameter is 4.418 inches and it has 26 teeth, making it suitable for diverse machinery where precise motion transfer is crucial.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBored to size with keyways and setscrews included\u003c\/li\u003e\n\u003cli\u003eManufactured from steel for strength and durability\u003c\/li\u003e\n\u003cli\u003eDesigned for stock finished bores and non-hardened teeth\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThis product ensures minimal run-out due to its precise machining.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Martin Sprocket \u0026amp; Gear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 40BS261\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Diameter\u003c\/strong\u003e: 1 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain Size\u003c\/strong\u003e: #40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 4.418 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Teeth\u003c\/strong\u003e: 26\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch\u003c\/strong\u003e: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch Diameter\u003c\/strong\u003e: 4.148 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Diameter\u003c\/strong\u003e: 3-1\/4 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength Through Bore\u003c\/strong\u003e: 1 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyway Size\u003c\/strong\u003e: 1\/4 x 1\/8 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size\u003c\/strong\u003e: 5\/16-18 x 5\/16 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes\u003c\/strong\u003e: (2) Setscrews\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\/Approvals\u003c\/strong\u003e: PROP65 warning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: US\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MARTIN SPROCKET \u0026 GEAR","offers":[{"title":"Default Title","offer_id":49810055070002,"sku":"40BS261","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/191674099.jpg?v=1741021487","url":"https:\/\/voomisupply.com\/products\/martin-40bs261-bored-to-size-sprocket-1-in-diameter-bore-40-chain","provider":"Voomi Supply","version":"1.0","type":"link"}