{"product_id":"40-chain-sprocket-with-13-tooth-and-1-1-2-fin-7013","title":"40 Chain Sprocket With 21 Tooth And One And One Half Inch Finished Bore Featuring Keyway And Two Set Screws For Secure Mounting And Reliable Power Transmission In Industrial Drive Systems","description":"\u003cdiv\u003ePremium #40 Chain Sprocket, 21 Teeth, 1.5 Bore, Single\u003cbr\u003e\n✔️ 21-tooth, 1.5 in finished bore with keyway \u0026amp; 2 screws \u003cp\u003eThis rugged sprocket is built for dependable power transfer in conveyors, industrial machines, and farm equipment. With a 1.5 inch finished bore, it ships ready to install with a precise keyway and two set screws for secure mounting.\u003c\/p\u003e ✅ Bore: 1.5 in finished bore with 3\/8 x 3\/16 keyway\u003cbr\u003e\n✅ Chain size: #40 roller chain\u003cbr\u003e\n✅ Teeth: 21 teeth\u003cbr\u003e\n✅ Mounting: includes 2 set screws\u003cbr\u003e\n✅ Bore style: BS\u003cbr\u003e \u003cp\u003e💡 What is a typical use for a chain sprocket and how do you choose the right bore?\u003c\/p\u003e\nThis handy guide helps you pick the right bore and drive for common power-transmission setups.\n- match chain size #40 and 21-tooth count for proper ratio\n- verify shaft diameter matches 1.5 in bore and keyway size\n- ensure secure mounting with set screws to prevent slip\n- consider environment and lubrication needs for conveyors and machinery \u003c\/div\u003e","brand":"RBO","offers":[{"title":"Default Title","offer_id":47154098503915,"sku":"40BS21-1 1\/2","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/40-chain-sprocket-21-tooth-1-1-2-finished-bore-keyway-set-screws-industrial-equipment.jpg?v=1770447286","url":"https:\/\/vxb.com\/products\/40-chain-sprocket-with-13-tooth-and-1-1-2-fin-7013","provider":"VXB Bearings","version":"1.0","type":"link"}