4B66SD Sheave four-groove 6.95" OD V Belt Pulley 1/2” Bore 120B14H sprockets with a stock

120B14H sprockets with a stock bore comes with the standard 1-3/8" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

Additionally we can supply the J-Type QD bushing for the sprocket and a high quality roller chain

This 1610 taper lock bushing is a high quality

While the phosphate coated and then painted finish adds corrosion resistance to the 25V440SH sheave

This 2B58Q sheave features two grooves

4B66SD Sheave four-groove 6.95" OD V Belt Pulley 1/2” Bore 120B14H sprockets with a stockThis 4B66SD sheave features four grooves, is 6. 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