121-357

This heavy-duty pillow block bearing is a critical replacement component for heating, ventilation, and air conditioning (HVAC) systems. Designed to support a rotating blower shaft, this bearing assembly ensures smooth, low-friction operation of the blower wheel or fan. If your air handler or furnace is producing squealing noises, excessive vibration, or suffering from reduced airflow, a worn-out pillow block bearing is often the culprit. This part features a robust housing designed for secure mounting, providing stability and reducing mechanical wear on the motor and belts. Engineered for durability and long-term performance, it helps maintain the efficiency of residential and commercial climate control systems.
Type: HVAC Blower Shaft Bearing
Size: Medium
Application: Used primarily in furnace blower assemblies, air conditioning air handlers, and commercial ventilation systems to support the fan shaft.
Specifications: Features a cast iron or heavy-duty steel housing, pre-lubricated bearing insert, and mounting holes for secure attachment to the blower housing frame.