Overview
Link-Belt PEB22427H is a solid-housed, expansion-type pillow block bearing engineered for industrial power transmission systems. This unit combines a spherical roller bearing element with a cast iron housing, providing dependable support and alignment flexibility for machinery subject to shaft deflection and dynamic loading. The expansion design accommodates bearing wear while maintaining preset clearance.
Key Features
- 1-11/16″ (1.6875″) bore diameter for standard shaft sizes
- Self-aligning spherical roller design permits ±2° angular misalignment
- Cast iron 2-bolt base for rigid floor or frame mounting
- Single setscrew locking collar prevents axial drift under shock loads
- Clearance seal (floating labyrinth) protects against contaminant ingress
- Expansion-type housing accommodates gradual bearing wear over service life
- Suitable for speeds up to 3,100 RPM at operating temperatures up to 225°F
Technical Specifications
The following dimensions and load ratings apply to this B22400 series bearing unit:
- Bore Diameter: 1-11/16″ (1.6875″)
- Base to Centerline Height (A): 2-1/8″
- Distance Between Bolt Holes (B): 5-1/2″
- Mounting Pad Length (C): 7-1/8″
- Length Through Bore (D): 3-1/8″
- Mounting Pad Width (E): 2-1/2″
- Mounting Bolt Size: 1/2″
- Overall Housing Height (L): 4-3/8″
- Dynamic Load Rating (C): 24,700 lbf
- Static Load Rating (Co): 28,700 lbf
- Maximum Speed: 3,100 RPM
- Operating Temperature: Up to 225°F
- Housing Material: Cast iron, powder coated
- Locking Method: Single setscrew collar
Typical Applications
Link-Belt PEB22427H bearings serve critical roles in industrial machinery including conveyor systems, centrifugal pumps, electric motor-driven fans, gearbox input/output shafts, and rotating process equipment. The spherical roller geometry and pillow block housing make this unit ideal for applications where:
- Shaft misalignment or deflection is likely during operation
- Radial and combined radial-thrust loads must be managed reliably
- Easy installation and bolt-down mounting is required
- Long service intervals and low maintenance are priorities
Compatibility & Replacements
Compatible With
- Standard 1-11/16″ pillow block bearing shafts and housings
- 1/2″ bolts for standard dual-bolt base frame mounting
- Industrial lubricants recommended by Link-Belt/Rexnord for pillow block bearings
- Standard bearing maintenance and alignment equipment
Replaces / Drop-In Replacement For
- PB22427H (non-expansion solid-housed variant with setscrew collar)
- Link-Belt B22400 Series expansion pillow blocks with 1-11/16″ bore
- Rexnord equivalent spherical roller pillow block bearings in this size range
Works With
- All standard pillow block lubrication systems and maintenance schedules
- Expansion lock plugs (optional: Link-Belt Part B224408A) for sealed installations
- Setscrew mounting on shafts up to 1-11/16″ diameter
- Fixed or adjustable base installations depending on application requirements
