{"product_id":"tritan-d40bs21h-x-1-roller-chain-sprocket-finished-bore-with-keyway-ss-40-2-chain-size-21","title":"Tritan D40BS21H X 1 - Roller Chain Sprocket, Finished Bore with Keyway \u0026 SS, 40-2 Chain Size, 21 # of Teeth","description":"\u003cp\u003eRoller Chain Sprocket, Bore Diameter 1 in, For Chain Pitch 1\/2 in, For Number of Strands Double, Hub Type One Side, Material Steel, Maximum Bore Diameter 1 in, Number of Teeth 21, Outside Diameter 3.62 in, Pitch Diameter 3.355 in, Bore Type Fixed, Chain Number 40-2, Finish Black Oxide, Hub Diameter 2 3\/4 in, Hub Projection 0.784 in, Includes Set Screws, Keyway Yes, Keyway Width 1\/4 in, Length through Bore 1 5\/8 in\u003c\/p\u003e","brand":"Tritan","offers":[{"title":"Default Title","offer_id":67613212475486,"sku":"D40BS21H X 1","price":56.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z2tKGwhcpIx_1cc8ba4f-03f1-46f8-8e97-31e4ae2f662a.jpg?v=1791036308","url":"https:\/\/nationalboilersupply.com\/products\/tritan-d40bs21h-x-1-roller-chain-sprocket-finished-bore-with-keyway-ss-40-2-chain-size-21","provider":"National Boiler Supply","version":"1.0","type":"link"}