50BS21 Sprocket With 1-1/2" Finished Bore filter_40BS57-FB What sets this 5304 bearing

What sets this 5304 bearing apart from others is the ABEC 3 precision standard that this bearing is made to

Dimension (Bi): 38

Part #: UEFT 206-17

This 23V530SH Sheave uses an SH bushing

This 36A connecting link is manufactured in accordance with ANSI B29

50BS21 Sprocket With 1-1/2" Finished Bore filter_40BS57-FB What sets this 5304 bearingThis 50BS21 sprocket featured a 1 1 2" 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 #50 roller chain and sprocket thus preventing premature wear