HK2020
Drawn cup needle roller bearings with no inner ring. Extremely compact radial envelope with high load capacity per unit volume. Shaft acts as inner raceway (must be hardened and ground).
SKFHK 202020 × 26 × 20mm
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$14.74
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Geometry100%
20 × 26 × 20mm
Sealing100%
Open (no seal)
Load rating100%
Cr 16 kN / C₀r 26.2 kN
Speed100%
8,000 rpm (grease)
Specifications
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 26 mm |
| Width (B) | 20 mm |
| Dynamic load rating (C) | 16 kN |
| Static load rating (C₀) | 26.2 kN |
| Weight | 24 g |
| Max speed (grease) | 8,000 rpm |
| Max speed (oil) | 12,000 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
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| SKF | HK 2020 | Open | CN | Verified |
| FAG | HK2020 | Open | CN | Current |
| NSK | HK2020 | Open | CN | Current |
| NTN | HK2020 | Open | CN | Current |
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
Connecting rodsRocker armsPump gearsTextile machineryPower tool gearboxesCompressor pistonsPrinting press rollersGeneral-purpose electric motors (1-10 HP)Pumps and compressorsAutomotive alternators and A/C compressorsConveyor rollersAgricultural machineryWashing machinesIndustrial fansPrinting presses
AutomotiveMachineryTextilePrinting
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| HK 2020 | Open (No Seal) | CN |