121-375

This heavy-duty 2-3/16 inch pillow block bearing is a critical component for supporting large-diameter rotating shafts in industrial and commercial HVAC systems. Designed for durability and smooth operation, this mounted bearing housing ensures precise shaft alignment and reduces friction in high-capacity blower assemblies. It is an ideal replacement part for belt-driven ventilation units, helping to eliminate vibration and noise while extending the service life of motors and pulleys. Whether you are maintaining a commercial air handler or repairing a large-scale exhaust fan, this precision-engineered pillow block provides the robust support necessary for optimal airflow and system efficiency.
Type: Pillow Block Bearing
Size: 2-3/16 inch bore diameter
Application: Commonly used in commercial HVAC systems, industrial blowers, belt-driven fan assemblies, and large-scale ventilation equipment requiring heavy-duty shaft support.
Specifications: Bore diameter: 2-3/16"; Self-aligning design; Cast iron or heavy-duty housing; Greaseable fitting for simplified maintenance.