50BS28 Sprocket With 7/8" Finished Bore 100B25 Sprockets This 50BS17 sprocket featured a

This 50BS17 sprocket featured a 7/8" finished bore with a key-way and two set screws

Bearing Size: 5206-2RS

50B39 Sprocket Dimensions

Bearing Size: 5315-2RS

ISO Chain #: 32A

50BS28 Sprocket With 7/8" Finished Bore 100B25 Sprockets This 50BS17 sprocket featured aThis 50BS28 sprocket featured a 7 8" 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