HR30211J
Geometry100%
55 × 100 × 22.75mm
Sealing100%
Open (no seal)
Load rating100%
Cr 52.3 kN / C₀r 32.5 kN
Speed100%
4,500 rpm (grease)
Timken3021155 × 100 × 22.75mm
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$42.32
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 55 mm |
| Outer diameter (D) | 100 mm |
| Width (B) | 22.75 mm |
| Dynamic load rating (C) | 52.3 kN |
| Static load rating (C₀) | 32.5 kN |
| Weight | 514 g |
| Max speed (grease) | 4,500 rpm |
| Max speed (oil) | 6,000 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 | 30211 | Open | CN | Verified |
| NSK | HR30211J | Open | CN | Current |
| NTN | 4T-30211 | Open | CN | Verified |
| FAG | 30211-XL | Open | CN | Verified |
| SKF | 30211 J2/Q | Open | CN | Verified |
Legacy & Proprietary Numbers
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 |
|---|---|---|
| 30211 J2/Q | Open (No Seal) | CN |
| 30211 J2/Q C3 | Open (No Seal) | C3 |
Related Bearings
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