50BS41 Sprocket With 1" Finished Bore 41B13 Sprockets This 41BS17 sprocket featured a

This 41BS17 sprocket featured a 1" finished bore with a key-way and two set screws

This 4B56SD sheave features four grooves

It utilizes set-screws for locking onto a 2-1/4" shaft and features a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

For more information on a single groove 1TB160 pulley

Dimension (K): 1

50BS41 Sprocket With 1" Finished Bore 41B13 Sprockets This 41BS17 sprocket featured aThis 50BS41 sprocket features a 1" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #50 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 bore sprockets,