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 ISO 9001:2015 certified manufacturer and distributor of roller chains. Types of roller chains include ASME/ANSI standard chains, attachment chains, corrosion resistant chains, lube-free chains, plastic chains, free-flow chains, specialty chains and British standard chains. ASME/ANSI standard chains are available in large and small pitch, double pitch and leaf styles. Roller chains are used in food packaging, forklift trucks, oilfield drilling, motorcycles, conveyors and power transfer applications.Additionally, all our production procedures are in compliance with ISO9002 standards for a specialized supplier of a full range of chain & sprockets, sprockets, gears, gear racks, V-belts, couplings and reducers， pto shaft, agricultural gearboxes….As a result, we have become a comprehensive manufacturer in the motion and control field providing an extensive lineup of products with superior durability, environment-friendliness, and 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