6040DDU C3E
Compact bearings for space-constrained applications. Lower load capacity but higher speed ratings.
FAG6040-2RSR-C3
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Specifications
| Bore diameter (d) | 200 mm |
| Outer diameter (D) | 310 mm |
| Width (B) | 51 mm |
| Dynamic load rating (C) | 229 kN |
| Static load rating (C₀) | 250 kN |
| Weight | 14400 g |
| Max speed (grease) | 2,200 rpm |
| Max speed (oil) | 2,800 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 |
|---|---|---|---|---|
| FAG | 6040-2RSR-C3 | 2RS | C3 | Verified |
| NSK | 6040DDU C3E | 2RS | C3 | Current |
| NTN | 6040LLU/C3 | 2RS | C3 | Verified |
| SKF | 6040-2RS1 C3 | 2RS | C3 | Verified |
| Timken | 6040-2RS C3 | 2RS | C3 | Verified |
Seal Type
Rubber Sealed (2RS)
Rubber contact seals on both sides. Superior protection from contaminants. Pre-lubricated, maintenance-free.
Best forDirty, dusty, or wet environments. Applications requiring long maintenance-free operation.
Avoid forVery high-speed applications (seal friction limits top speed). Environments exceeding 110°C.
Examples
- Agricultural machinery
- Conveyor rollers
- Automotive components
- Outdoor equipment
- Washing machines
Internal Clearance
Greater Than Normal (C3)
Increased radial internal clearance. Required when bearings operate at elevated temperatures or with tight shaft fits.
Best forHigh-temperature applications. Tight interference fits. Electric motors with frequent starts/stops.
Temperature70-150°C operating temperature
Where This Bearing Is Used
Extra Light Series — Common Applications
- Small electric motors
- Power tools
- Household appliances
- Office equipment
- Small pumps
- Dental and medical instruments
- Textile machinery spindles
- Small fans and blowers
Consumer electronicsMedical devicesLight manufacturingHVAC
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 6040 | Open (No Seal) | CN |
| 6040 C3 | Open (No Seal) | C3 |
| 6040-2Z | ZZ | CN |
| 6040-2Z C3 | ZZ | C3 |
| 6040-2RS1 | 2RS | CN |
| 6040-2RS1 C3 | 2RS | C3 |