40BS46 High-Performance Sprocket 1-1/8" Metric Roller Chain Sprockets 120A25 sprockets with a stock

120A25 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes

6908 Ball Bearing Dimensions

Our superior UCF208-25 bearing with a 1-9/16" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

Bearing Size: 6012

160F24 Sprocket Dimensions

40BS46 High-Performance Sprocket 1-1/8" Metric Roller Chain Sprockets 120A25 sprockets with a stockThis 40BS46 sprocket features a 1 1 8" 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