Die-cast zinc alloy and cast iron V-belt sheaves from Grainger feature solid construction for long-lasting performance. Find adjustable and fixed bore V-belt pulleys. Precision zinc alloy sheaves feature machined grooves and bores for high concentricity and offer your choice of spoked and solid construction. You’ll find an extensive selection of various V-belt pulley and sheave sizes and pitch diameters at Grainger. Shop today!