40BS50 Sprocket With 3/4" Finished Bore 08B-4 Metric Roller Chain Roller Diameter (D1): 12

Roller Diameter (D1): 12

This 23V690SDS Sheave uses an SDS bushing

2082B18 Sprocket

This 35BS70 sprocket features a 3/4" finished bore including a key-way and two setscrews

This 6215-ZZ ball bearing is a high-precision premium quality deep groove shielded 75x130x25 ball bearing made to ABEC 3 precision standards from AXIS

40BS50 Sprocket With 3/4" Finished Bore 08B-4 Metric Roller Chain Roller Diameter (D1): 12This 40BS50 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,