6306-2ZJEM
Higher load capacity than the 6200 series for the same bore size. Used where heavier radial loads are expected.
SKF6306-2Z C330 × 72 × 19mm
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$16.22
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Specifications
| Bore diameter (d) | 30 mm |
| Outer diameter (D) | 72 mm |
| Width (B) | 19 mm |
| Dynamic load rating (C) | 29.6 kN |
| Static load rating (C₀) | 16 kN |
| Weight | 340 g |
| Max speed (grease) | 13,000 rpm |
| Max speed (oil) | — |
Equivalents Across Brands
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| SKF | 6306-2Z C3 | ZZ | C3 | Probable |
| FAG | 6306-2ZR-C3 | ZZ | C3 | Probable |
| NSK | 6306ZZ C3E | ZZ | C3 | Verified |
| NTN | 6306ZZ/C3 | ZZ | C3 | Probable |
| Timken | 6306-ZZ C3 | ZZ | C3 | Probable |
Internal Clearance
Greater Than Normal (C3)
Increased radial internal clearance. Required when bearings operate at elevated temperatures or with tight shaft fits.
Best forHigh-temperature applications. Tight interference fits. Electric motors with frequent starts/stops.
Temperature70-150°C operating temperature
Seal Type
Metal Shielded (ZZ / 2Z)
Metal shields on both sides. Moderate protection from dust and debris. Pre-lubricated with grease.
Best forModerately clean environments. Applications where some contamination is possible but not severe.
Avoid forHarsh environments with heavy moisture, chemicals, or fine dust ingress.
Examples
- Electric motors
- Fans and blowers
- Power tools
- HVAC equipment
Where This Bearing Is Used
Heavy-duty electric motorsIndustrial pumpsConveyor systemsMining equipmentConstruction machineryAgricultural equipmentHeavy gearboxesCompressorsPaper and steel millsVibrating screensGeneral-purpose electric motors (1-10 HP)Pumps and compressorsAutomotive alternators and A/C compressorsConveyor rollersAgricultural machineryWashing machinesIndustrial fansPrinting presses
Heavy industryMiningConstructionPaper & pulpSteel