80BS44 Sprocket With 1-3/8" Finished Bore 13-Tooth Sprocket This 40BS16 sprocket featured a

This 40BS16 sprocket featured a 1" finished bore with a key-way and two set screws

Sheave Weight: 1

Bearing Size: 5306-2RS

41B112 sprockets with a stock bore comes with the standard 1" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

80BS44 Sprocket With 1-3/8" Finished Bore 13-Tooth Sprocket This 40BS16 sprocket featured aThis 80BS44 sprocket features a 1 3 8" finished bore including a key way and two setscrews. It is a durable, high quality, and precision 44 tooth sprocket that fully meets all ANSI Standards which, insures proper contact between the #80 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock