D120B30 Sprocket With Stock Bore 5B QD Bushed Pulleys This 35BS21 sprocket features a

This 35BS21 sprocket features a 1" finished bore including a key-way and two setscrews

120C80 sprockets with a stock bore come with the standard 1-1/2" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

the SAPFT205-15 15/16" bearing has incredible holding power and stability

Limiting Speed (Grease): 10800 RPM

D120B30 Sprocket With Stock Bore 5B QD Bushed Pulleys This 35BS21 sprocket features aThis D120B30 sprocket is a durable, high quality, and precision double sprocket with 30 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 2 double roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide