7.75" Outside Diameter Four Groove TB Gripbelt Sheave used with Q1 Series Bushings for A, AX, B, and BX Belts (Bushing sold separately).
Incorporates Browning split taper bushing. The only bushing system that provides a true key-to-key drive to both the shaft and the hub. Combination groove permits running of A & B belts, thus providing a variety of different pitch diameters and horsepowers. Close grain cast iron allows sheaves to be machined to the closest tolerances possible.