120-905

This heavy-duty 1-groove blower sheave is an essential component for maintaining optimal airflow in belt-driven HVAC systems. Engineered for precision and durability, this 5.75-inch outside diameter pulley facilitates the seamless transfer of power from the motor to the blower shaft, ensuring your heating and cooling equipment operates at peak efficiency. It is a common replacement part for worn or damaged sheaves that cause belt slippage, excessive noise, or reduced air circulation. Designed with a 1-inch bore, this fixed-diameter pulley is built to withstand high rotational speeds and provide long-lasting performance in both residential and light commercial air handlers and furnace assemblies. Ideal for HVAC technicians and property maintenance professionals, this sheave helps restore quiet operation and reliable climate control to your ventilation system.
Type: Blower Sheave / Drive Pulley
Size: 5.75-inch Outside Diameter
Dimensions: 5.75 in × 5.75 in
Application: Used in belt-driven HVAC blower motors, furnace fan assemblies, commercial air handlers, and ventilation systems to drive the blower shaft via a V-belt.
Specifications: 1-Groove design, 5.75" Outside Diameter (OD), 1" Bore diameter, compatible with standard drive belts.