{"product_id":"tsubaki-40b21f-1g-single-strand-sprocket-fixed-40-chain-size-1-7-16-bore-dia-21-of-teeth","title":"Tsubaki 40B21F-1G - Single Strand Sprocket, Fixed, 40 Chain Size, 1-7\/16 Bore Dia., 21 # of Teeth","description":"\u003cp\u003eSingle Strand Sprocket, Bore Diameter 1 7\/16 in, For Chain Pitch 1\/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 7\/16 in, Number of Teeth 21, Outside Diameter 3.62 in, Pitch Diameter 3.355 in, Bore Type Fixed, Chain Number 40, Finish Black Oxide, For Pitch Type Single Pitch, Hub Diameter 2 3\/4 in, Hub Projection 0.716 in, Includes Set Screws, Keyway Yes, Keyway Depth 3\/16 in, Keyway Width 3\/8 in, Length through Bore 1 in, Material Grade 1045\u003c\/p\u003e","brand":"Tsubaki","offers":[{"title":"Default Title","offer_id":67624036597854,"sku":"40B21F-1G","price":36.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z_7sqyfo5oy_280fbf24-64b7-426e-b7ab-f04d2fe70fbe.jpg?v=1791150949","url":"https:\/\/nationalboilersupply.com\/products\/tsubaki-40b21f-1g-single-strand-sprocket-fixed-40-chain-size-1-7-16-bore-dia-21-of-teeth","provider":"National Boiler Supply","version":"1.0","type":"link"}