HR30309J-C3
Geometry100%
45 × 100 × 27.25mm
Sealing100%
Open (no seal)
Load rating100%
Cr 63.2 kN / C₀r 39 kN
Speed100%
4,200 rpm (grease)
FAG30309-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) | 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) | 5,700 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 | 30309-XL C3 | Open | C3 | Verified |
| NSK | HR30309J C3 | Open | C3 | Verified |
| NTN | 4T-30309 C3 | Open | C3 | Verified |
| SKF | 30309 J2/Q C3 | Open | C3 | Verified |
| Timken | 30309 C3 | Open | C3 | Verified |
Legacy & Proprietary Numbers
CITR620005Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeGPZ7309High confidence — Schaeffler Brand Interchange · last checked last month · near equivalentFLT30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeKOYO30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeMGM30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeNSK30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeNTN30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeSTEYR30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeTIMKEN30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeZKL30309Verified — Schaeffler Brand Interchange · last checked last month · perfect interchangeCITR620205Verified — 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
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 |
|---|---|---|
| 30309 J2/Q | Open (No Seal) | CN |
| 30309 J2/Q C3 | Open (No Seal) | C3 |
Related Bearings
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