Overview
The Rexnord PB22439H pillow block bearing is a solid-housed, mounted spherical roller bearing designed for heavy-duty industrial applications. This 2-7/16″ bore adapter sleeve mount unit features a cast iron housing, steel clearance seal, and fixed non-expansion design. The Link-Belt B22400 series is engineered for reliable performance across demanding sectors including mining, manufacturing, cement, and paper production.
Key Features
- 2-bolt cast iron pillow block with single setscrew locking collar and clearance seal
- Adapter sleeve mount configuration for straightforward installation
- Spherical roller design accommodates misalignment and radial loads
- Relubricatable design for extended service life
- Non-expansion, fixed type for stable operation
Technical Specifications
- Bearing bore diameter: 2-7/16 inches
- Bolt center-to-center distance: 7-1/8 inches
- Base to bore centerline height: 2-3/4 inches
- Overall length (OAL): 9-1/8 inches
- Overall height (OAH): 5-1/2 inches
- Weight: 17 lbs (7.72 kg)
- Housing material: Cast iron
- Seal type: Steel clearance seal
- Mounting: 2-bolt pillow block
- Type: Non-expansion (fixed)
Typical Applications
The PB22439H excels in industrial machinery requiring durable, reliable support for rotating shafts. Common applications include:
- Mining equipment and conveyors
- Manufacturing machinery and production lines
- Cement and aggregates processing
- Paper and pulp production
- Power transmission systems requiring self-aligning bearing support
Compatibility & Replacements
Compatible With
- 2-7/16″ shaft diameter applications
- Standard pillow block mounting configurations
- Industrial power transmission systems
- Heavy-duty production and processing equipment
Replaces / Drop-In Replacement For
The PB22439H is the current Link-Belt designation for the B22400 series 2-7/16″ solid-housed pillow block. Verify compatibility with your application’s bearing specification sheet before ordering.
Works With
- Standard shaft coupling and drive arrangements
- Adapter sleeve mounting systems
- Industrial lubrication schedules (grease compatible)
- Preventive maintenance monitoring programs
