The 2? Aluminum Die-Cast Dual Belt Motor Pulley is a pulley designed to mount to the end of an electric motor and moves two cogged belt that turns a worm gear on a boat lift hoist gear plate. Fits NEMA 56 frame, single phase motors. Set screw included. 5/8? bore size. Fits 3/4? belts. Made from aluminum die casting. Made by BH-USA.
For twin drive belts
Belt gripping technology