{"title":"Roller Chain and Sprockets","description":"\u003cp\u003ePower transmission components for larger machines, providing robust and reliable motion transfer.\u003c\/p\u003e","products":[{"product_id":"mechanical-idler-sprockets-ansi25-20-teeth-sprocchn","title":"#25 Idler Sprocket","description":"\u003cp\u003eThis is the same sprocket that guides #25 chain and drive sprocket    . The sprocket has 20 teeth with a .25\" pitch and contains an R6 ball bearing with a 3\/8\" ID (inside diameter).\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"Idler Sprocket","offer_id":45875866992814,"sku":"35-LPHDH305","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/idler_20sprocket-25_20200.jpg?v=1730084103"},{"product_id":"mechanical-drive-sprockets-ansi25-9-teeth-sprocchn","title":"#25 Drive Sprocket - 1\/4\" and 5\/16\" Bores","description":"These sprockets are great for adding to the shaft of a motor to make something move. The drive sprocket will pair with a #25 roller chain.    \u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003eFor the best resolution of motion, you will want the fewest number of teeth. This will cause a slower motion, but with higher precision, and this is the drive sprocket that fits 1\/4\" shafts with the fewest number of teeth. The number of teeth on this drive sprocket is (9) nine. There are two set screws that hold the drive sprocket in place and these are #10 UNC (Unified national coarse) thread type.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e \u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eThe bore (Inside Diameter) is 1\/4\" so this drive sprocket will fit most \u003ca href=\"https:\/\/www.buildyuurcnc.com\/item\/electronicsAndMotors-nema24-425ozin\"\u003e NEMA 23 or 24 motors\u003c\/a\u003e. The pitch from tooth to tooth is 1\/4\" (.25 inches). Multiply the pitch with the number of teeth to get the pitch diameter (the distance it will travel with one turn.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003eThe sprocket has only 9 teeth with .25\" pitch for a total of 2.25 inches of travel in one turn of the motor. That's 1422.222 steps per inch with 1\/16 microstepping and the standard 200 steps per revolution.\u003cbr\u003e\n\u003c\/div\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e ","brand":"BuildYourCNC","offers":[{"title":"1\/4\" ID Drive Sprocket (9 teeth)","offer_id":45875867025582,"sku":"34","price":10.95,"currency_code":"USD","in_stock":true},{"title":"5\/16\" ID Drive Sprocket (11 Teeth)","offer_id":45875867058350,"sku":"138","price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/drive_20sprocket-25_20200.jpg?v=1730084104"},{"product_id":"mechanical-drive-sprockets-ansi25-5-bore-14-teeth-sprocchn","title":"#25 Drive Sprocket - 1\/2\" Bore","description":"\u003cp\u003eThis is a 14 tooth 1\/2\" ID drive sprocket that mates with a #25 roller chain (bicycle chain). With a drive sprocket on a motor and an roller chain, you can make things move.\u003c\/p\u003e\n\u003cdiv\u003eThis drive sprocket has 14 teeth at a pitch of 1\/4\" (.25 inches). You can calculate the travel of one revolution by multiplying the number of teeth and the pitch.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eFor instance: You have a motor with a 1\/2\" shaft and looking for the fewest number of teeth to achieve the highest possible mechanical resolution. The sprocket has 14 teeth with .25\" pitch for a total of 3.5 inches of travel in one turn of the motor. Here are the resolutions at varying microsteps (in steps per inch): Full Step - 57.143, 1\/2 - 144.286, 1\/4 - 228.571, 1\/8 - 457.143, 1\/16 - 914.286, 1\/32 - 1828.571.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThis drive sprocket also has two set screws. The set screws are #10 UNC (Unified National Coarse - standard type) and uses an allen wrench to tighten.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe bore (inside diameter) is 1\/2\" (.5 inches). This drive sprocket will fit on a shaft that has a 1\/2\" diameter. This sprocket will fit on our \u003ca href=\"https:\/\/www.buildyuurcnc.com\/item\/electronicsAndMotors-nema34-651ozin\"\u003eNEMA 34 stepping motors.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"1\/2\" ID Drive Sprocket - 14 teeth","offer_id":45875867091118,"sku":"213","price":11.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/sprocket-one-half-ID-14-teeth-200.jpg?v=1730084106"},{"product_id":"mechanical-roller-chains-ansi25-sprocchn","title":"#25 Roller Chain","description":"\u003cp\u003eThis is the chain that mates with the #25 sprockets.    Use this chain to achieve the finest resolution roller chains can offer. The material is steel and the pitch is .25\". This chain is sold by the foot. Adjust the quantity in the cart to specify the length of roller chain.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"#25 Roller Chain (per foot)","offer_id":45875867123886,"sku":"32","price":2.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/Roller_20Chain_2025_20-_20200.jpg?v=1730084107"},{"product_id":"mechanical-drive-sprockets-ansi40-9-teeth-sprocchn","title":"#40 Drive Sprocket","description":"\u003cp\u003eNotice the very large bore (hole) in the drive sprocket. That bore won't fit any motor generally used in the DIY CNC community, but accompanied with a collar that reduces the bore, now you have a great combination that fits well with 1\/4\" shafts.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"#40 Drive Sprocket","offer_id":45875867254958,"sku":"139-LP104","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/No40DriveSprocket_1-800.jpg?v=1730084110"},{"product_id":"mechanical-idler-sprockets-ansi40-17-teeth-sprocchn","title":"#40 Idler Sprocket","description":"\u003cp\u003eYou can use this mechanism to either help position the roller chain to assist the drive sprocket, or be used as a free wheel for one end of a loop of roller chain.    This sprocket has a 5\/8\" inside diameter and 17 teeth and can be sold with the 5\/8\" bolt and nut if desired.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"#40 Idler Sprocket","offer_id":45875867320494,"sku":"142-LP104","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/Idler_20Sprocket_20with_20bolt_20200.jpg?v=1730084112"},{"product_id":"mechanical-roller-chains-ansi40-sprocchn","title":"#40 Roller Chain","description":"\u003cp\u003eSingle strand steel #40 chain    This is a single strand steel #40 chain that matches the pitch of the #40 sprockets. All links are riveted and can handle 437 pounds of working load. Used in various machine assemblies.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"#40 Roller Chain (per foot)","offer_id":45875867386030,"sku":"144","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/roller_20chain_20200.jpg?v=1730084113"},{"product_id":"mechanical-roller-chains-ansi25-link","title":"#25 Roller Chain Link","description":"\u003cp\u003eSpring type connecting link for use with single strand chain ANSI number 25.   .25 inch pitch.    This is a single pack containing a #25 chain link. The pitch is 1\/4 (0.25) inch.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"#25 Roller Chain Link","offer_id":45875872891054,"sku":"786","price":0.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/RollerChainLink25_1-800.jpg?v=1730085201"},{"product_id":"mechanical-roller-chains-ansi40-link","title":"#40 Roller Chain Link","description":"\u003cp\u003eSpring type connecting link for use with single strand chain ANSI number 40.   .50 inch pitch.    This is a single pack containing a #40 chain link. The pitch is 1\/2 (0.50) inch.\u003c\/p\u003e","brand":"BuildYourCNC","offers":[{"title":"#40 Roller Chain Link","offer_id":45875872923822,"sku":"787","price":2.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7516\/3822\/files\/RollerChainLink40_1-800.jpg?v=1730085203"}],"url":"https:\/\/buildyuurcnc.com\/collections\/roller-chain-and-sprockets.oembed","provider":"BuildYourCNC","version":"1.0","type":"link"}