6307DU
Higher load capacity than the 6200 series for the same bore size. Used where heavier radial loads are expected.
SKF6307-2RS135 × 80 × 21mm
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$20.40
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Specifications
| Bore diameter (d) | 35 mm |
| Outer diameter (D) | 80 mm |
| Width (B) | 21 mm |
| Dynamic load rating (C) | 35.1 kN |
| Static load rating (C₀) | 19 kN |
| Weight | 444 g |
| Max speed (grease) | 12,000 rpm |
| Max speed (oil) | 19,000 rpm |
Equivalents Across Brands
Internal Clearance
Normal Clearance (CN)
Standard radial internal clearance. Suitable for most applications under normal operating conditions.
Best forGeneral-purpose use. Normal temperatures, standard fits, moderate speeds.
TemperatureUp to ~70°C operating temperature
Seal Type
Rubber Sealed (2RS)
Rubber contact seals on both sides. Superior protection from contaminants. Pre-lubricated, maintenance-free.
Best forDirty, dusty, or wet environments. Applications requiring long maintenance-free operation.
Avoid forVery high-speed applications (seal friction limits top speed). Environments exceeding 110°C.
Examples
- Agricultural machinery
- Conveyor rollers
- Automotive components
- Outdoor equipment
- Washing machines
Where This Bearing Is Used
Heavy-duty electric motorsIndustrial pumpsConveyor systemsMining equipmentConstruction machineryAgricultural equipmentHeavy gearboxesCompressorsPaper and steel millsVibrating screensIndustrial electric motors (10-50 HP)Gearboxes and speed reducersHeavy-duty pumpsMachine tool spindlesAutomotive wheel hubsCentrifugal fans
Heavy industryMiningConstructionPaper & pulpSteel
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 6307 | Open (No Seal) | CN |
| 6307 C3 | Open (No Seal) | C3 |
| 6307-2Z | ZZ | CN |
| 6307-2Z C3 | ZZ | C3 |
| 6307-2RS1 | 2RS | CN |
| 6307-2RS1 C3 | 2RS | C3 |