80BS20 Sprocket With 2" Finished Bore filter_35B72-SB and precision 32-tooth sprocket that

and precision 32-tooth sprocket that is manufactured out of high-quality steel

Bearing Insert: HC 204

6B250E Sheave Dimensions

This 40BS55 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

6303-2RS Ball Bearing Dimensions

80BS20 Sprocket With 2" Finished Bore filter_35B72-SB and precision 32-tooth sprocket thatThis 80BS20 sprocket features a 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 20 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 wear