3B60SD Sheave three-groove 6.35" OD 1.125" Finished Bore Bolt Used: M20

Bolt Used: M20

This 1B200SK sheave features one groove

This 3B66SD sheave features three grooves

Sprocket Size: 100C60

3B60SD Sheave three-groove 6.35" OD 1.125" Finished Bore Bolt Used: M20This 3B60SD sheave features three grooves, is 6. 35" 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