30207
Light series metric tapered roller bearings with narrow width. The most common tapered roller series for general-purpose applications. Handles combined radial and axial loads with high rigidity.
Timken3020735 × 72 × 18.25mm
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$22.44
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Specifications
| Bore diameter (d) | 35 mm |
| Outer diameter (D) | 72 mm |
| Width (B) | 18.25 mm |
| Dynamic load rating (C) | 30.6 kN |
| Static load rating (C₀) | 17.8 kN |
| Weight | 229 g |
| Max speed (grease) | 6,600 rpm |
| Max speed (oil) | 8,400 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 |
|---|---|---|---|---|
| Timken | 30207 | Open | CN | Current |
| NSK | HR30207J | Open | CN | Verified |
| NTN | 4T-30207 | Open | CN | Verified |
| SKF | 30207 J2/Q | Open | CN | Verified |
| FAG | 30207-XL | Open | CN | Verified |
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
Tapered Roller — Light, Narrow — Common Applications
- Automotive wheel hubs
- Gearboxes and transmissions
- Machine tool spindles
- Agricultural equipment
- Differential assemblies
- Conveyor rollers
- Pumps and compressors
AutomotivePower transmissionAgricultureHeavy industry
Medium (35mm bore) — Typical Uses
- Industrial electric motors (10-50 HP)
- Gearboxes and speed reducers
- Heavy-duty pumps
- Conveyor systems
- Machine tool spindles
- Automotive wheel hubs
- Centrifugal fans
- Compressors
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 30207 J2/Q | Open (No Seal) | CN |
| 30207 J2/Q C3 | Open (No Seal) | C3 |