4B110SK Sheave four-groove 11.35" OD 4C QD Bushed Sheaves This 6310-ZZ ball bearing is

This 6310-ZZ ball bearing is a high-precision premium quality deep groove shielded 50x110x27 ball bearing made to ABEC 3 precision standards from AXIS

120E21 Sprocket Dimensions

Sheave Size: 33V365SH

120A70 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

Sprocket Size: 140C35

4B110SK Sheave four-groove 11.35" OD 4C QD Bushed Sheaves This 6310-ZZ ball bearing isThis 4B110SK sheave features four grooves, is 11. 35" 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