50BS19 Sprocket With 1-7/16" Finished Bore filter_H50B29 This 2C240SF Sheave uses a

This 2C240SF Sheave uses a SF QD bushing

This 35BTB30 sprocket is a durable

Our superior HCFJT210-31 bearing with a 1-15/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Sprocket Size: 50BS18

Maximum Bore: 4-1/2"

50BS19 Sprocket With 1-7/16" Finished Bore filter_H50B29 This 2C240SF Sheave uses aThis 50BS19 sprocket featured a 1 7 16" 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