50BS21 Sprocket With 1-1/8" Finished Bore filter_H40BS9 50A96 sprockets with a stock

50A96 sprockets with a stock bore comes with a 15/16" inside diameter plain hole and can be easily machine bored to custom sizes

Our UC205-15 bearing is made to industry standards dimensionally for direct interchangeability with just about any brand

Common Interchanges: 50B76H

Sprocket Size: 120A28

This 40BS25 sprocket featured a 5/8" finished bore with a key-way and two set screws

50BS21 Sprocket With 1-1/8" Finished Bore filter_H40BS9 50A96 sprockets with a stockThis 50BS21 sprocket featured a 1 1 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