51103MG
Single direction thrust ball bearings for axial loads in one direction. Compact design with high axial load capacity relative to size.
SKF5110317 × 30 × 9mm
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$21.89
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 17 mm |
| Outer diameter (D) | 30 mm |
| Width (B) | 9 mm |
| Dynamic load rating (C) | 10.2 kN |
| Static load rating (C₀) | 24.5 kN |
| Weight | 19 g |
| Max speed (grease) | 7,500 rpm |
| Max speed (oil) | 9,500 rpm |
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Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
Legacy & Proprietary Numbers
KOYO51103MGVerified — Schaeffler Brand Interchange · last checked last month · perfect interchange
Technical Details & Applications
Specification variations and common equipment types.
Internal Clearance
Normal Clearance (CN)
Standard radial internal clearance. Suitable for most applications under normal operating conditions.
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.
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 motorsPumps and compressorsConveyor rollersAgricultural machineryFans and blowersGearboxesPower transmission equipmentWashing machinesPrinting pressesHVACAutomotive alternators and A/C compressors
Alternative Parts
Options if this exact part isn't what you need.
Same Geometry, Different Configuration
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 51103 | Open (No Seal) | CN |
Related Bearings
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