Browse a collection of motor pulleys and sheaves at F.W. Webb. Sheaves and pulleys are grooved wheels that add power and force to a pump, conveyor, or fan in an HVAC/R system. A fixed sheave is limited to a specific drive speed; a variable sheave can be used with any type of drive speed. Made in cast iron or steel, these pulleys and sheaves can stand up to the normal daily operation of a new or existing system. Use our convenient filters to narrow fixed and variable pulleys and sheaves by size, bore diameter, and the number of grooves. Explore top-quality sheaves and pulleys from trusted makers Browning and Source 1 to find the best match for your unit.