60BS18 Sprocket With 1-3/4" Finished Bore 41B112 Sprockets This 50BS40 sprocket features a

This 50BS40 sprocket features a 7/8" finished bore including a key-way and two setscrews

35A54 Sprocket Dimension

2BK57 Pulley 1-3/8" Dimensions

41SDS60 sprockets are bored to accept a SDS size QD bushing which

Additionally this bushing features a 42 millimeter bore with a standard keyway

60BS18 Sprocket With 1-3/4" Finished Bore 41B112 Sprockets This 50BS40 sprocket features aThis 60BS18 sprocket featured a 1 3 4" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 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 #60 roller chain and sprocket thus preventing premature wear