{"product_id":"tsubaki-40p21-sprocket-40-chain-size-21-teeth","title":"Tsubaki 40P21 - Sprocket, 40 Chain Size, 21 Teeth","description":"\u003cp\u003eSprocket, For Bushing Size P1, For Bushing Type Split Taper, For Chain Pitch 1\/2 in, Material Steel, Number of Teeth 21, Outside Diameter 3.617 in, Pitch Diameter 3.355 in, Chain Number 40, For Number of Strands Single, Finish Black Oxide, Hub Diameter 3 in, Hub Projection 1.029 in, Hub Type One Side, Length through Bore 1 5\/16 in, Material Grade 1045, Resistance Properties Corrosion Resistant, Teeth Heat Treatment Hardened Teeth, Tooth Width 0.284 in, Width with Bushing 1.94 in\u003c\/p\u003e","brand":"Tsubaki","offers":[{"title":"Default Title","offer_id":67624036859998,"sku":"40P21","price":83.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z2BIIyfo5oy_5ac44d1e-125f-4dc4-a504-85bc2bd83d61.jpg?v=1791150950","url":"https:\/\/nationalboilersupply.com\/products\/tsubaki-40p21-sprocket-40-chain-size-21-teeth","provider":"National Boiler Supply","version":"1.0","type":"link"}