040-568

This heavy-duty motor pulley is a critical component for high-performance HVAC systems and commercial air handling units. Designed for precision power transmission, this drive pulley connects the motor to the blower assembly via a belt, ensuring consistent and efficient airflow. Over time, pulleys can experience wear in the grooves or become misaligned, leading to belt slippage, increased noise, and reduced heating or cooling efficiency. Replacing a worn pulley helps maintain proper belt tension, protects motor bearings from premature wear, and restores the overall performance of your ventilation system. Constructed for durability and a secure fit, this component is ideal for maintaining commercial rooftop units and large-scale air handlers.
Type: Blower Motor Pulley
Size: 4-1/4" Outer Diameter
Dimensions: 4.25 in × 4.25 in
Application: Commonly used in commercial HVAC systems, rooftop units, furnace blowers, and industrial air handling equipment to drive blower belts.
Specifications: 4-1/4 inch Outer Diameter (OD), 7/8 inch Shaft Size (Bore), compatible with standard drive belts for ventilation motors.