4T-30208
Geometry100%
40 × 80 × 19.75mm
Sealing100%
Open (no seal)
Load rating100%
Cr 34.9 kN / C₀r 20.8 kN
Speed100%
5,700 rpm (grease)
Timken3020840 × 80 × 19.75mm
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$28.17
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 40 mm |
| Outer diameter (D) | 80 mm |
| Width (B) | 19.75 mm |
| Dynamic load rating (C) | 34.9 kN |
| Static load rating (C₀) | 20.8 kN |
| Weight | 301 g |
| Max speed (grease) | 5,700 rpm |
| Max speed (oil) | 7,800 rpm |
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Why This Match Is Correct
✓Exact dimensional match (bore, OD, width)
✓Load ratings within tolerance
✓Seal type verified via manufacturer tables
✓Speed rating compatible
Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| Timken | 30208 | Open | CN | Verified |
| SKF | 30208 J2/Q | Open | CN | Verified |
| NTN | 4T-30208 | Open | CN | Current |
| FAG | 30208-XL | Open | CN | Verified |
| NSK | HR30208J | Open | CN | Verified |
Legacy & Proprietary Numbers
GPZ7208High confidence — Schaeffler Brand Interchange · last checked 4 weeks ago · near equivalentSOME73200858Verified — Schaeffler Brand Interchange · last checked 4 weeks ago · perfect interchangeGPZ7208A1Verified — Schaeffler Brand Interchange · last checked 4 weeks ago · 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 |
|---|---|---|
| 30208 J2/Q | Open (No Seal) | CN |
| 30208 J2/Q C3 | Open (No Seal) | C3 |
Related Bearings
Adjacent sizes and cross-series bearings from our catalog.