4B54SD Sheave four-groove 5.75" OD V Belt Pulley 1” Bore and precision sprocket with 19

and precision sprocket with 19 hardened teeth that is manufactured to accept a E bushing

40B80 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

UCPX05-16 bearing is a two-bolt medium-duty pillow block bearing with a 1" bore

This 100BS10 sprocket features a 1-3/16" finished bore with a key-way and two set screws

4B54SD Sheave four-groove 5.75" OD V Belt Pulley 1” Bore and precision sprocket with 19This 4B54SD sheave features four grooves, is 5. 75" in diameter, and is designed to use a SD 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