6B62SK Sheave six-groove 6.55" OD Other Miscellaneous Items This 60BS55 sprocket features a

This 60BS55 sprocket features a 2-3/16" finished bore including a key-way and two setscrews

40B19 sprockets with a stock bore comes with the standard 5/8" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

This 6219-ZZ ball bearing is a high-precision premium quality deep groove shielded 95x170x32 ball bearing made to ABEC 3 precision standards from AXIS

Something that sets this 2050B14 sprocket apart from others is that it is Black Oxide Finished

100B45 Sprocket Dimensions

6B62SK Sheave six-groove 6.55" OD Other Miscellaneous Items This 60BS55 sprocket features aThis 6B62SK sheave features six grooves, is 6. 55" in diameter, and is designed to use a SK bushing. QD (quick detachable) style sheaves offer a wider selection of bore sizes versus a standard "fixed" bore style sheave. Also because they are a two component part if one component fails the entire part doesn't need to be replaced. All of our sheaves are manufactured out of an extremely durable cast iron, are dynamically balanced at the factory, and are