Overview
The Rexnord FB22436H is a precision-engineered flange roller bearing from Rexnord’s Link-Belt B22400 Series. Designed for industrial power transmission applications, this 2-1/4″ bore bearing provides smooth, efficient operation in demanding mechanical systems. The four-bolt flange mount configuration allows for quick, reliable installation in conveyor drives, pump systems, and rotating equipment.
Key Features
- 2-1/4″ (57.15 mm) bore — Standard mounting interface for power transmission equipment
- 4-bolt flange mount — Direct replacement for equivalent Link-Belt housings
- Double-row spherical roller design — Accommodates shaft misalignment and reduces vibration
- Extended inner race — Optimized load distribution for longer service life
- Single collar configuration — Simplified assembly and maintenance
- Cast iron housing — Durable, corrosion-resistant construction for harsh industrial environments
Technical Specifications
- Bore Size: 2-1/4″ (57.15 mm)
- Bearing Type: Flange Roller (Spherical Roller)
- Mounting: 4-bolt flange mount
- Weight: 14 lbs (6.35 kg)
- Series: Link-Belt B22400 / Rexnord D-2-1/4
- Housing Material: Cast iron
- Configuration: Double-row, single collar, extended inner race
- UPC/EAN: 662327026516
Typical Applications
- Conveyor belt systems and drive pulleys
- Pump and motor coupling assemblies
- Industrial fan and blower mounts
- Gearbox input/output shafts
- Power transmission equipment and machinery
- OEM equipment replacement bearings
Compatibility & Replacements
Compatible With
- Rexnord Link-Belt B22400 Series housings and flange blocks
- Standard 4-bolt flange mount configurations (2-1/4″ bore)
- Industrial conveyors, pumps, and rotating machinery
- OEM equipment requiring 2-1/4″ bore flange bearings
Replaces / Drop-In Replacement For
- Other Rexnord/Link-Belt FB22436H units
- Equivalent 2-1/4″ bore, 4-bolt flange roller bearings in similar applications
- Verify bore size, flange bolt pattern, and load rating before substitution
Works With
- Link-Belt pillow block and flange block housings (FB22400 series)
- 4-bolt mounting flanges on motors, gearboxes, and transmission shafts
- Standard industrial lubrication systems and grease-pack designs


















