4B56SD Sheave four-groove 5.95" OD 1.1875" Stock Bore This 40BS43 sprocket features a

This 40BS43 sprocket features a 7/8" finished bore including a key-way and two setscrews

UC206-17 bearing is a normal-duty ball bearing insert made to C3 precision standards and utilizes set screws for securing a 1-1/16" shaft

35B18 sprockets with a stock bore comes with the standard 1/2" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

2TB42 Pulley Dimensions

5304-2RS double row sealed ball bearings possess higher radial and axial load capacities in either direction when compared to single-row ball bearings

4B56SD Sheave four-groove 5.95" OD 1.1875" Stock Bore This 40BS43 sprocket features aThis 4B56SD sheave features four grooves, is 5. 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