80BS11 Sprocket With 1-3/16" Finished Bore 35B10 Sprockets What sets this 6904 bearing

What sets this 6904 bearing apart from others is the ABEC 3 precision standard that this bearing is made to

Sprocket Size: 100BS21

50BS15 1 1/4" Finished Bore Sprocket Dimensions

Bearing #: SA205-16

Weight With Hub: 119lbs

80BS11 Sprocket With 1-3/16" Finished Bore 35B10 Sprockets What sets this 6904 bearingThis 80BS11 sprocket features a 1 3 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 11 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