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