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Roller Link Width (W): 0
This 100BS21 sprocket features a 1-7/16" finished bore with a key-way and two set screws
For more information on a two groove 23V450SH sheave
This 40BS46 sprocket features a 1" finished bore including a key-way and two setscrews
50BS21 Sprocket With 1-3/16" Finished Bore filter_H35BS12 Roller Link Width (W): 0This 50BS21 sprocket featured a 1 3 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
