4T-30304-C3
Geometry100%
20 × 52 × 16.25mm
Sealing100%
Open (no seal)
Load rating100%
Cr 19.1 kN / C₀r 11.4 kN
Speed100%
8,400 rpm (grease)
FAG30304-XL C3
Pricing not yet available for this part.
Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 52 mm |
| Width (B) | 16.25 mm |
| Dynamic load rating (C) | 19.1 kN |
| Static load rating (C₀) | 11.4 kN |
| Weight | 98 g |
| Max speed (grease) | 8,400 rpm |
| Max speed (oil) | 10,800 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 |
|---|---|---|---|---|
| FAG | 30304-XL C3 | Open | C3 | Verified |
| NSK | HR30304J C3 | Open | C3 | Verified |
| NTN | 4T-30304 C3 | Open | C3 | Verified |
| SKF | 30304 J2/Q C3 | Open | C3 | Verified |
| Timken | 30304 C3 | Open | C3 | Verified |
Legacy & Proprietary Numbers
FLT30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeGPZ7304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeKOYO30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeMGM30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeNISSAN32219-M8000Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeNSK30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeNTN30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeSKF30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeSTEYR30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchangeTIMKEN30304Verified — Schaeffler Brand Interchange · last checked 3 months ago · perfect interchange
Technical Details & Applications
Specification variations and common equipment types.
Internal Clearance
Greater Than Normal (C3)
Increased radial internal clearance. Required when bearings operate at elevated temperatures or with tight shaft fits.
Temperature70-150°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 |
|---|---|---|
| 30304 J2/Q | Open (No Seal) | CN |
| 30304 J2/Q C3 | Open (No Seal) | C3 |
Related Bearings
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