30219
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.
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 45 mm |
| Outer diameter (D) | 85 mm |
| Width (B) | 20.75 mm |
| Dynamic load rating (C) | 39 kN |
| Static load rating (C₀) | 24.2 kN |
| Weight | 341 g |
| Max speed (grease) | 5,400 rpm |
| Max speed (oil) | — |
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Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| Timken | 30209 | Open | CN | Probable |
| NTN | 4T-30209 | Open | CN | Probable |
| NSK | HR30209J | Open | CN | Probable |
| SKF | 30209 J2/Q | Open | CN | Probable |
| FAG | 30209-XL | Open | CN | Probable |
Legacy & Proprietary Numbers
Technical Details & Applications
Specification variations and common equipment types.
Internal Clearance
Standard radial internal clearance. Suitable for most applications under normal operating conditions.
Seal Type
No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.
- Machine tool spindles
- Gearboxes with oil bath lubrication
- High-speed precision equipment
Where This Bearing Is Used
Alternative Parts
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Related Bearings
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