60B21 Sprocket With Stock Bore Shop By Brand 41BS54 1 3/8" Finished Bore

41BS54 1 3/8" Finished Bore Sprocket Dimensions

40B55 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

Sprocket Size: 50A72

This 6304-ZZ ball bearing is a high-precision premium quality deep groove shielded 20x52x15 ball bearing made to ABEC 3 precision standards from AXIS

and is designed to use a Q1 bushing

60B21 Sprocket With Stock Bore Shop By Brand 41BS54 1 3/8" Finished BoreThis 60B21 sprocket is a durable, high quality, and precision sprocket with 21 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this 60B21 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #60 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also fully black oxide coated