50BS19 Sprocket With 1-1/2" Finished Bore 50B34 Sprockets This 50BS34 sprocket features a

This 50BS34 sprocket features a 1-3/16" finished bore including a key-way and two setscrews

Dimension (N): 21

This 2080B13 sprocket is durable

Roller Link Width (B2): 15

UC207-23 Bearing Dimensions

50BS19 Sprocket With 1-1/2" Finished Bore 50B34 Sprockets This 50BS34 sprocket features aThis 50BS19 sprocket featured a 1 1 2" 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