{"product_id":"jeremywell-40-roller-chain-sprocket-12-tooth-b-hub-1-bore-hardened-steel","title":"Jeremywell #40 Roller Chain Sprocket, 12 Tooth B-Hub, 1\" Bore, Hardened Steel","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSprocket Size: 40BS12H-1, 12 teeth, 0.50” pitch, 1” bore, designed for ANSI #40 roller chain. B-type sprocket, provides reliable chain engagement for industrial power-transmission systems.\u003c\/li\u003e\n\u003cli\u003eBore \u0026amp; Mounting: Features a 1” finished bore, 1\/4” x 1\/8” keyway, and two set screws positioned at 90° for secure attachment to the shaft. Verify shaft diameter and keyway dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eDurable Construction: Manufactured from AISI 1045 medium-carbon steel, providing a practical balance of strength, toughness, and durability for general industrial power-transmission applications. The black oxide finish helps protect the sprocket against rust and corrosion during handling and normal operating conditions.\u003c\/li\u003e\n\u003cli\u003eDimensions: Outside diameter: 2.16”; L.T.B.: 0.875”. Review all dimensions against your existing sprocket and available equipment clearance.\u003c\/li\u003e\n\u003cli\u003eCompatibility \u0026amp; Package: Suitable for machinery and power-transmission systems using ANSI #40 roller chain. Package includes 1 sprocket.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43356816408785,"sku":"BW-B08DDKLYMF","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/61U_e1wYgTL._SL1500_15c35333-f8a1-4a06-8553-bb194d87c937.jpg?v=1790980353","url":"https:\/\/belmontwarehouse.com\/products\/jeremywell-40-roller-chain-sprocket-12-tooth-b-hub-1-bore-hardened-steel","provider":"Belmont Warehouse","version":"1.0","type":"link"}