40BS37 Sprocket With 3/4" Finished Bore 39-Tooth Sprocket This 1C200SF Sheave uses a

This 1C200SF Sheave uses a SF QD bushing

Hub Diameter: 7-1/2"

Part #: UCST 206

This 5314-2RS Bearing is a high-precision premium double-sealed double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS

This 140R36 sprocket is a durable

40BS37 Sprocket With 3/4" Finished Bore 39-Tooth Sprocket This 1C200SF Sheave uses aThis 40BS37 sprocket features a 3 4" 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 #40 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,