Masterdrive Cast Iron 4.75" Single Groove Belt B Section 5L Pulley w/ 1-3/8" Sheave Bushing

Cast Iron 4.75" Pulley Single Groove B Section V Belt 5L w/ 1-3/8" Sheave Bushing Masterdrive single groove 4.75" pulley for B/5L belts. This is a high-quality cast iron pulley and is designed to fit a 1-3/8" keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys that are similar to this only have one set screw, making them less reliable in many working conditions. This pulley is designed to be used with B Belts (also known as 5L Belts). You can use A Belts with this pulley; however, they will sit deeper in the grooves and reduce your pulley size. Specifications: • 4.75" Diameter • Fits 1-3/8" Shaft • Single Groove Pulley • Takes B Belts/5L Belts • 1-3/8" Bushing Included • Features Dual Set Screws • Solid Cast Iron Construction • Secure Reliable Performance