22204
Double row self-aligning roller bearings with barrel-shaped rollers on a concave spherical outer raceway. Handles very high radial loads and moderate axial loads with up to 2° misalignment. Wider than deep groove bearings for the same bore and OD.
NTN4T-3220420 × 47 × 19.25mm
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$35.35
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Specifications
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 47 mm |
| Width (B) | 19.25 mm |
| Dynamic load rating (C) | 17.5 kN |
| Static load rating (C₀) | 10.5 kN |
| Weight | 86 g |
| Max speed (grease) | 10,200 rpm |
| Max speed (oil) | — |
Equivalents Across Brands
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| NTN | 4T-32204 | Open | CN | Probable |
| Timken | 32204 | Open | CN | Probable |
| FAG | 32204-XL | Open | CN | Probable |
| NSK | HR32204J | Open | CN | Probable |
| SKF | 32204 J2/Q | Open | CN | Probable |
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
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
Where This Bearing Is Used
Spherical Roller — Light Series — Common Applications
- Electric motors
- Paper mill rolls
- Fans and blowers
- Wind turbine gearboxes
- Mining conveyors
- Vibrating screens
- Pumps and compressors
Paper & pulpMiningWind energyHeavy industry
Medium-Small (20mm bore) — Typical Uses
- General-purpose electric motors (1-10 HP)
- Pumps and compressors
- Automotive alternators and A/C compressors
- Conveyor rollers
- Agricultural machinery
- Washing machines
- Industrial fans
- Printing presses