7310K1
Heavier load capacity than 7200. Used in gearboxes, electric motors, and industrial equipment requiring axial load support.
Timken3031050 × 110 × 29.25mm
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$62.62
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 50 mm |
| Outer diameter (D) | 110 mm |
| Width (B) | 29.25 mm |
| Dynamic load rating (C) | 74.2 kN |
| Static load rating (C₀) | 46.8 kN |
| Weight | 869 g |
| Max speed (grease) | 3,780 rpm |
| Max speed (oil) | 8,100 rpm |
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Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| Timken | 30310 | Open | CN | Probable |
| FAG | 30310-XL | Open | CN | Probable |
| SKF | 30310 J2/Q | Open | CN | Probable |
| NSK | HR30310J | Open | CN | Probable |
| NTN | 4T-30310 | Open | CN | Probable |
Legacy & Proprietary Numbers
GPZ7310High confidence — Schaeffler Brand Interchange · last checked last month · near equivalentFIAT5120919Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeGPZ7310A1Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeGPZ7310K1High confidence — Schaeffler Brand Interchange · last checked last month · near equivalent
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 |
|---|---|---|
| 7310 BEP | Open (No Seal) | CN |
| 7310 BEP C3 | Open (No Seal) | C3 |
| 7310 BE-2RZP | 2RS | CN |
| 7310 BE-2RZP C3 | 2RS | C3 |
Related Bearings
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