40BS51 High-Performance Sprocket 1-7/16" 25-Tooth Sprocket Common Interchanges: 40BS42H

Common Interchanges: 40BS42H

This 35JA19 sprocket is a durable

SER207 Bearing Dimensions

Weight With Hub: 71

Maximum Bore: 48mm

40BS51 High-Performance Sprocket 1-7/16" 25-Tooth Sprocket Common Interchanges: 40BS42HThis 40BS51 sprocket features a 1 7 16" 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