51118
Single direction thrust ball bearings for axial loads in one direction. Compact design with high axial load capacity relative to size.
SKF5111890 × 120 × 22mm
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$80.60
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Specifications
| Bore diameter (d) | 90 mm |
| Outer diameter (D) | 120 mm |
| Width (B) | 22 mm |
| Dynamic load rating (C) | 82 kN |
| Static load rating (C₀) | 204 kN |
| Weight | 670 g |
| Max speed (grease) | 1,900 rpm |
| Max speed (oil) | 2,600 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 |
|---|---|---|---|---|
| SKF | 51118 | Open | CN | Current |
| FAG | 51118 | Open | CN | Current |
| NSK | 51118 | Open | CN | Current |
| NTN | 51118 | Open | CN | Current |
| Timken | 51118 | Open | CN | 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
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
Where This Bearing Is Used
Single Direction Thrust — Common Applications
- Machine tool spindles
- Automotive steering columns
- Screw jacks and lead screws
- Rotary tables
- Crane hooks and swivels
- Vertical pumps
- Turntables and indexing tables
Machine toolsAutomotiveMaterial handlingIndustrial equipment