120-747

This premium AX55 multi-cogged drive belt is engineered for high-efficiency power transmission in commercial and industrial HVAC systems. Designed specifically for blower motors and fan assemblies, its unique notched or 'cogged' profile allows the belt to bend more easily around small-diameter pulleys, reducing internal heat buildup and increasing overall service life. This heavy-duty V-belt is an essential replacement part for maintaining optimal airflow and preventing slippage in air handling units, furnaces, and cooling systems. Whether you are performing routine maintenance or repairing a noisy blower assembly, this cogged belt provides the grip and durability needed for demanding ventilation applications.
Type: Blower Drive Belt
Size: AX55 (Standard A-Section)
Dimensions: 55 inches × 1/2 inch × 5/16 inch
Application: Commonly used in commercial air handlers, industrial ventilation fans, furnace blower motors, and rooftop HVAC units to connect the motor shaft to the blower pulley.
Specifications: Multi-cogged raw edge construction for superior flexibility, heat and oil resistant, high-grip notched profile for reduced energy loss and slippage.