50BS25 Sprocket With 1-1/8" Finished Bore filter_H50B57 This 40BS49 sprocket features a

This 40BS49 sprocket features a 5/8" finished bore including a key-way and two setscrews

Common Interchanges: 50B48H

Dimension (P): 2-11/16"

For more information on a four groove 45V975E sheave

50BS23 1" Finished Bore Sprocket Dimensions

50BS25 Sprocket With 1-1/8" Finished Bore filter_H50B57 This 40BS49 sprocket features aThis 50BS25 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