7309A1
Heavier load capacity than 7200. Used in gearboxes, electric motors, and industrial equipment requiring axial load support.
Timken3030945 × 100 × 27.25mm
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$52.86
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 100 mm |
| Width (B) | 27.25 mm |
| Dynamic load rating (C) | 63.2 kN |
| Static load rating (C₀) | 39 kN |
| Weight | 660 g |
| Max speed (grease) | 4,200 rpm |
| Max speed (oil) | 8,900 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 | 30309 | Open | CN | Probable |
| SKF | 30309 J2/Q | Open | CN | Probable |
| FAG | 30309-XL | Open | CN | Probable |
| NSK | HR30309J | Open | CN | Probable |
| NTN | 4T-30309 | Open | CN | Probable |
Legacy & Proprietary Numbers
CITR620005Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeGPZ7309High confidence — Schaeffler Brand Interchange · last checked last month · near equivalentCITR620205Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeGPZ7309A1Verified — 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 |
|---|---|---|
| 7309 BEP | Open (No Seal) | CN |
| 7309 BEP C3 | Open (No Seal) | C3 |
| 7309 BE-2RZP | 2RS | CN |
| 7309 BE-2RZP C3 | 2RS | C3 |
Related Bearings
Adjacent sizes and cross-series bearings from our catalog.