We EPG group one of the Biggest Chain and sprocket manufacturer in China. We provide you most type of industry chains, agricultural chains, conveyor chains and related sprockets etc……..
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This The group has taken part in the making and revising of ISO/TC100 international chain & sprocket standard several years in success and hosted the 16th ISO/TC100 replacement of International annual meeting in 2004. EPG roller chain & sprocket meets or exceeds ANSI standards and is manufactured in ISO certified factories. As is the case with our pillow block bearings and ball bearings, our roller chain & sprocket parts are chain & sprocket tested prior to shipment to insure quality. The roller chain & sprocket parts and roller chain & sprockets we supply are pre-stretched to insure you have limited sag. It also comes with solid rollers, ensuring that it is of the highest quality.20BTB21H sprocket is a metric taper bushed style roller chain & sprocket sprocket manufactured under ISO and British Standard 228. and is made to accept a 2517 taper bushing. Our 20BTB21H sprockets are made with reliability and performance in mind, so we use high-quality carbon steel (CS) and have the sprocket precision cut to ensure maximum performance and wear life. We also offer upgrades on our 20BTB21H sprockets such as black-oxide coatings and heat-treated hardened teeth, though we often have these specific sprockets with those features already added right off the shelf. Besides the 21 tooth sprocket, we also stock a high-quality 20B roller chain & sprocket, 2517 bushing, and a wide array of roller chain & sprocket accessories. For more information or to get a quote on taper bushed 20BTB21H sprockets, please contact us and 1 of our sales team members will be happy to assist you.
20BTB21H Sprocket Dimensions
- Sprocket Size: 20BTB21H
- Tooth Count: 21
- Pitch Diameter: 213.03mm
- Bushing Size: 2517
- Maximum Bushing Bore Size: 63.50mm
- Length Thru Bore (L): 44.45mm
- Hub Diameter (C): 107.95mm
- Sprocket W8: 4.54 kG
- Bushing W8: 1.59 kG


