1303-ETN9
Heavier self-aligning ball bearings with higher load capacity than 1200 series. For applications with significant misalignment and moderate radial loads.
SKF1303 ETN917 × 48 × 14mm
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$42.98
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Geometry100%
17 × 48 × 14mm
Sealing100%
Open (no seal)
Load rating100%
Cr 9.9 kN / C₀r 3.8 kN
Speed100%
11,900 rpm (grease)
Specifications
| Bore diameter (d) | 17 mm |
| Outer diameter (D) | 48 mm |
| Width (B) | 14 mm |
| Dynamic load rating (C) | 9.9 kN |
| Static load rating (C₀) | 3.8 kN |
| Weight | 95 g |
| Max speed (grease) | 11,900 rpm |
| Max speed (oil) | 15,300 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 equipmentSmall electric motors (fractional HP)Fans and blowersPower tools (drills, grinders)Office equipment (printers, copiers)Household appliancesSkateboards and roller skatesRC vehicles and hobby motors
MiningHeavy industryAgricultureFood processing
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 1303 ETN9 | Open (No Seal) | CN |
| 1303 ETN9 C3 | Open (No Seal) | C3 |