6004-2Z%20C3
Compact bearings for space-constrained applications. Lower load capacity but higher speed ratings.
SKF6004-2Z C320 × 42 × 12mm
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Specifications
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 42 mm |
| Width (B) | 12 mm |
| Dynamic load rating (C) | 9.95 kN |
| Static load rating (C₀) | 5 kN |
| Weight | 65.6 g |
| Max speed (grease) | 24,000 rpm |
| Max speed (oil) | 38,000 rpm |
Equivalents Across Brands
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| SKF | 6004-2Z C3 | ZZ | C3 | Probable |
| FAG | 6004-2ZR-C3 | ZZ | C3 | Probable |
| NSK | 6004ZZ C3E | ZZ | C3 | Verified |
| NTN | 6004ZZ/C3 | ZZ | C3 | Probable |
| Timken | 6004-ZZ C3 | ZZ | C3 | Probable |
Seal Type
Metal Shielded (ZZ / 2Z)
Metal shields on both sides. Moderate protection from dust and debris. Pre-lubricated with grease.
Best forModerately clean environments. Applications where some contamination is possible but not severe.
Avoid forHarsh environments with heavy moisture, chemicals, or fine dust ingress.
Examples
- Electric motors
- Fans and blowers
- Power tools
- HVAC equipment
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
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
Other Variants Available
Same bearing geometry — different seal and clearance configurations.
| SKF Part Number | Seal Type | Clearance |
|---|---|---|
| 6004 | Open (No Seal) | CN |
| 6004 C3 | Open (No Seal) | C3 |
| 6004-2Z | ZZ | CN |
| 6004-2Z C3 | ZZ | C3 |
| 6004-2RS1 | 2RS | CN |
| 6004-2RS1 C3 | 2RS | C3 |