40BS55 High-Performance Sprocket 1-1/8" UCFX00 Medium-Duty Four Bolt Flange Bearings Something that is notable about

Something that is notable about this 06B32 sprocket is that it fully meets all ISO Standards

Our UCFCS210 bearing is dimensionally made to industry standards

Hub Diameter: 30mm

Something that sets this 2040B17 sprocket apart from others is that it is Black Oxide Finished

2AK30 Pulley 1/2" Dimensions

40BS55 High-Performance Sprocket 1-1/8" UCFX00 Medium-Duty Four Bolt Flange Bearings Something that is notable aboutThis 40BS55 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