UCFL204
Compact 2-bolt flange bearing units with a diamond-shaped housing. Ideal for tight spaces where pillow blocks won't fit, mounted on vertical or angled surfaces.
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Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 105 mm |
| Width (B) | 73 mm |
| Dynamic load rating (C) | 12.7 kN |
| Static load rating (C₀) | 6.55 kN |
| Weight | 550 g |
| Max speed (grease) | 4,500 rpm |
| Max speed (oil) | — |
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Why This Match Is Correct
Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| SKF | UCFL 204 | Open | CN | Verified |
| FAG | UCFL204 | Open | CN | Current |
| NSK | UCFL204 | Open | CN | Current |
| NTN | UCFL204 | Open | CN | Current |
| Timken | UCFL204 | Open | CN | Current |
Legacy & Proprietary Numbers
Technical Details & Applications
Specification variations and common equipment types.
Internal Clearance
Standard radial internal clearance. Suitable for most applications under normal operating conditions.
Seal Type
No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.
- Machine tool spindles
- Gearboxes with oil bath lubrication
- High-speed precision equipment
Where This Bearing Is Used
Alternative Parts
Options if this exact part isn't what you need.
Same Geometry, Different Configuration
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| UCFL 204 | Open (No Seal) | CN |
Related Bearings
Adjacent sizes and cross-series bearings from our catalog.