50BS17 Sprocket With 1" Finished Bore 40B49 Sprockets Something that sets this 2040B19

Something that sets this 2040B19 sprocket apart from others is that it is Black Oxide Finished

4L/ A Minimum Datum: 2

This 43V500SDS Sheave uses an SDS bushing

Bore Size: 2"

UCFB207-20 Bearing Dimensions

50BS17 Sprocket With 1" Finished Bore 40B49 Sprockets Something that sets this 2040B19This 50BS17 sprocket featured a 1" 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 or