80BS21 Sprocket With 1-1/4" Finished Bore S2 This 40SH31 sprocket is a

This 40SH31 sprocket is a durable

50BS46 1 15/16" Finished Bore Sprocket Dimensions

and is supplied with a high-quality lubricant applied to the chain from the factory

This 5315 Bearing is a high-precision premium double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS

80BS21 Sprocket With 1-1/4" Finished Bore S2 This 40SH31 sprocket is aThis 80BS21 sprocket features a 1 1 4" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 21 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 #80 roller chain and sprocket thus preventing premature