22208E
Double row self-aligning roller bearings with barrel-shaped rollers on a concave spherical outer raceway. Handles very high radial loads and moderate axial loads with up to 2° misalignment. Wider than deep groove bearings for the same bore and OD.
NSK22208EAE440 × 80 × 23mm
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$92.59
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Geometry100%
40 × 80 × 23mm
Sealing100%
Open (no seal)
Load rating100%
Cr 98.5 kN / C₀r 91.5 kN
Speed100%
8,000 rpm (grease)
Specifications
| Bore diameter (d) | 40 mm |
| Outer diameter (D) | 80 mm |
| Width (B) | 23 mm |
| Dynamic load rating (C) | 98.5 kN |
| Static load rating (C₀) | 91.5 kN |
| Weight | 530 g |
| Max speed (grease) | 8,000 rpm |
| Max speed (oil) | 11,000 rpm |
Why This Match Is Correct
✓Exact dimensional match (bore, OD, width)
✓Load ratings within tolerance
✓Seal type verified via manufacturer tables
✓Speed rating compatible
Equivalents Across Brands
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| NSK | 22208EAE4 | Open | CN | Verified |
| FAG | 22208-E1-XL | Open | CN | Verified |
| SKF | 22208 E | Open | CN | Verified |
| NTN | 22208EMD1 | Open | CN | Verified |
| Timken | 22208EM | Open | CN | Verified |
Internal Clearance
Normal Clearance (CN)
Standard radial internal clearance. Suitable for most applications under normal operating conditions.
Best forGeneral-purpose use. Normal temperatures, standard fits, moderate speeds.
TemperatureUp to ~70°C operating temperature
Seal Type
Open (No Seal)
No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.
Best forClean environments with external lubrication systems. High-speed applications where heat dissipation matters.
Avoid forDirty, dusty, or wet environments. Applications without planned lubrication maintenance.
Examples
- Machine tool spindles
- Gearboxes with oil bath lubrication
- High-speed precision equipment
Where This Bearing Is Used
Electric motorsPaper mill rollsFans and blowersWind turbine gearboxesMining conveyorsVibrating screensPumps and compressorsIndustrial electric motors (10-50 HP)Gearboxes and speed reducersHeavy-duty pumpsConveyor systemsMachine tool spindlesAutomotive wheel hubsCentrifugal fansCompressors
Paper & pulpMiningWind energyHeavy industry
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 22208 E | Open (No Seal) | CN |
| 22208 E/C3 | Open (No Seal) | C3 |