6B46SD Sheave six-groove 4.95" OD filter_H50B55 What sets this 6203-2RS bearing

What sets this 6203-2RS bearing apart from others is the ABEC 3 precision standard that this bearing is made to

This 60BS43 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

This 1B74SDS sheave features one groove

Bearing Insert: UCX 11-35

This 2BK28 Pulley 7/8" bore is directly interchangeable with other manufacturers v-belt pulleys

6B46SD Sheave six-groove 4.95" OD filter_H50B55 What sets this 6203-2RS bearingThis 6B46SD sheave features six grooves, is 4. 95" 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