Use 5V BeltsBrowning Cast Iron 3 Groove, Split Taper 358 Sheave 3Q5V75
Browning Cast Iron 3 Groove, Split Taper 358 Sheave. 7.50", outside diameter, uses 5V section belts and Q1 bushing. Incorporates Browning split taper bushing. The only bushing system that provides a true key-to-key drive to both the shaft and the hub. Sheave is statically balanced to assure smooth, vibration free performance. Close grain cast iron allows sheaves to be machined to the closest tolerances possible.