040-486

The Blower Shaft Key is a critical hardware component designed for high-performance HVAC systems and industrial air handlers. This precision-engineered key fits securely into the keyway of the blower shaft, locking pulleys, sheaves, and fan wheels in place to ensure efficient torque transfer from the motor to the blower assembly. Essential for maintaining the mechanical integrity of your air conditioning or heating unit, this shaft key prevents slippage that can lead to reduced airflow or system failure. If your ventilation system is experiencing fan slippage or unusual vibration, a worn or missing shaft key may be the culprit. Constructed from heavy-duty, corrosion-resistant materials, this replacement part is built to withstand the constant rotational stress and high-torque demands of commercial climate control systems.
Type: Blower Drive Hardware
Size: Small
Application: Used in commercial rooftop units, packaged HVAC systems, and industrial air handlers to secure pulleys and fan components to the drive shaft.
Specifications: Precision-milled square key stock designed for high-torque power transmission and vibration resistance.