22308EM/C3
Medium cross-section spherical roller bearings with higher load capacity than 22200 series for the same bore. Larger OD and greater width provide significantly more radial capacity. Standard sizes start at 22308 (40mm bore).
FAG22308-E1-XL-C3
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Specifications
| Bore diameter (d) | 40 mm |
| Outer diameter (D) | 90 mm |
| Width (B) | 33 mm |
| Dynamic load rating (C) | 155 kN |
| Static load rating (C₀) | 140 kN |
| Weight | 1000 g |
| Max speed (grease) | 6,000 rpm |
| Max speed (oil) | 8,000 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 |
|---|---|---|---|---|
| FAG | 22308-E1-XL-C3 | Open | C3 | Verified |
| NSK | 22308EAE4 C3 | Open | C3 | Verified |
| NTN | 22308EMD1 C3 | Open | C3 | Verified |
| SKF | 22308 E/C3 | Open | C3 | Verified |
| Timken | 22308EM/C3 | Open | C3 | Current |
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
Internal Clearance
Greater Than Normal (C3)
Increased radial internal clearance. Required when bearings operate at elevated temperatures or with tight shaft fits.
Best forHigh-temperature applications. Tight interference fits. Electric motors with frequent starts/stops.
Temperature70-150°C operating temperature
Where This Bearing Is Used
Spherical Roller — Medium Series — Common Applications
- Heavy gearboxes
- Continuous casting machines
- Rolling mills
- Marine propulsion
- Crusher equipment
- Large industrial fans
- Offshore drilling equipment
SteelMarineMiningOil & gas
Medium (40mm bore) — Typical Uses
- Industrial electric motors (10-50 HP)
- Gearboxes and speed reducers
- Heavy-duty pumps
- Conveyor systems
- Machine tool spindles
- Automotive wheel hubs
- Centrifugal fans
- Compressors
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 22308 E | Open (No Seal) | CN |
| 22308 E/C3 | Open (No Seal) | C3 |