80BS28 Sprocket With 2-3/16" Finished Bore 60 Poly Steel Chain and precision sprocket with 31

and precision sprocket with 31 teeth

What sets this 623-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

D: 1-1/16"

50BS30 1 1/4" Finished Bore Sprocket Dimensions

80BS28 Sprocket With 2-3/16" Finished Bore 60 Poly Steel Chain and precision sprocket with 31This 80BS28 sprocket features a 2 3 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 28 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