7307A1
Heavier load capacity than 7200. Used in gearboxes, electric motors, and industrial equipment requiring axial load support.
Timken3030735 × 80 × 22.75mm
In stock
$34.31
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Specifications
| Bore diameter (d) | 35 mm |
| Outer diameter (D) | 80 mm |
| Width (B) | 22.75 mm |
| Dynamic load rating (C) | 39.8 kN |
| Static load rating (C₀) | 23.4 kN |
| Weight | 341 g |
| Max speed (grease) | 5,400 rpm |
| Max speed (oil) | 11,000 rpm |
Equivalents Across Brands
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| Timken | 30307 | Open | CN | Probable |
| NSK | HR30307J | Open | CN | Probable |
| SKF | 30307 J2/Q | Open | CN | Probable |
| FAG | 30307-XL | Open | CN | Probable |
| NTN | 4T-30307 | Open | CN | Probable |
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
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
Where This Bearing Is Used
GearboxesAutomotive wheel hubsElectric motorsIndustrial pumpsHeavy machineryCompressorsPrinting pressesIndustrial electric motors (10-50 HP)Gearboxes and speed reducersHeavy-duty pumpsConveyor systemsMachine tool spindlesCentrifugal fans
AutomotiveHeavy industryManufacturingPower transmission
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 7307 BEP | Open (No Seal) | CN |
| 7307 BEP C3 | Open (No Seal) | C3 |
| 7307 BE-2RZP | 2RS | CN |
| 7307 BE-2RZP C3 | 2RS | C3 |