3B48SD Sheave three-groove 5.15" OD UCFB200 3-Bolt Set Screw Flange Bracket Bearings 120SF15 sprockets are manufactured to

120SF15 sprockets are manufactured to accept a SF type QD bushing which

35BS17 7/8" Finished Bore Sprocket Dimensions

This 2B5V74 Sheave uses a B bushing

Dimension (G) Minimum: 21/32"

140R17H sprockets are bored to accept a R1 type taper bushing

3B48SD Sheave three-groove 5.15" OD UCFB200 3-Bolt Set Screw Flange Bracket Bearings 120SF15 sprockets are manufactured toThis 3B48SD sheave features three grooves, is 5. 15" 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