40BS27 Sprocket With 7/8" Finished Bore 46-Tooth Sprocket This 3B64SD sheave features three

This 3B64SD sheave features three grooves

Overall Width (W): 58

Our superior UCFCS212-39 bearing with a 2-7/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

This 100BS22 sprocket features a 2-15/16" finished bore with a key-way and two set screws

40BS27 Sprocket With 7/8" Finished Bore 46-Tooth Sprocket This 3B64SD sheave features threeThis 40BS27 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 #40 roller chain and sprocket thus preventing premature wear or