1308E
Heavier self-aligning ball bearings with higher load capacity than 1200 series. For applications with significant misalignment and moderate radial loads.
SKF1308 ETN940 × 96 × 21mm
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$20.93
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Geometry100%
40 × 96 × 21mm
Sealing100%
Open (no seal)
Load rating100%
Cr 28.7 kN / C₀r 13.3 kN
Speed100%
6,375 rpm (grease)
Specifications
| Bore diameter (d) | 40 mm |
| Outer diameter (D) | 96 mm |
| Width (B) | 21 mm |
| Dynamic load rating (C) | 28.7 kN |
| Static load rating (C₀) | 13.3 kN |
| Weight | 518 g |
| Max speed (grease) | 6,375 rpm |
| Max speed (oil) | 8,500 rpm |
Why This Match Is Correct
✓Exact dimensional match (bore, OD, width)
✓Load ratings within tolerance
✓Seal type verified via manufacturer tables
✓Speed rating compatible
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
Open (No Seal)
No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.
Best forClean environments with external lubrication systems. High-speed applications where heat dissipation matters.
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
Heavy conveyor systemsMining equipmentVibrating screensAgricultural harvestersLarge fans and blowersBulk material handlingFood processing equipmentIndustrial electric motors (10-50 HP)Gearboxes and speed reducersHeavy-duty pumpsConveyor systemsMachine tool spindlesAutomotive wheel hubsCentrifugal fansCompressors
MiningHeavy industryAgricultureFood processing
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 1308 ETN9 | Open (No Seal) | CN |
| 1308 ETN9 C3 | Open (No Seal) | C3 |