6003-2RS Bearing — Brand Comparison
Verified equivalents across SKF, FAG, NSK, NTN, and Timken for the 6003 rubber sealed deep groove ball bearing (17×35×10mm).
Verification
Why the Part Numbers Look Different
Each manufacturer uses a different suffix system for the same physical bearing. Here's how the 6003 suffixes map across brands:
| Feature | SKF | FAG | NSK | NTN | Timken |
|---|---|---|---|---|---|
| Rubber sealed | 6003-2RS1 | 6003-2RSR | 6003DDU | 6003LLU | 6003-2RS |
| Metal shielded | 6003-2Z | 6003-2ZR | 6003ZZ | 6003ZZ | 6003-2Z |
| Open | 6003 | 6003 | 6003 | 6003 | 6003 |
Common Applications
- Small electric motors
- Power tools
- Household appliances
- Office equipment
- Small pumps
- Dental and medical instruments
- Textile machinery spindles
- Small fans and blowers
Frequently Asked Questions
Can I replace a 6003-2RS with a different brand?
Yes. For standard deep groove ball bearings in the 6000 series, all five major brands (SKF, FAG, NSK, NTN, Timken) produce dimensionally identical bearings. Match the bore diameter, outer diameter, width, seal type, and internal clearance to confirm compatibility.
What's the cheapest equivalent of the 6003-2RS?
Prices vary by brand and supplier. Check the comparison table above for current Partmatch prices across all five brands.
How do I know which suffix means “sealed” for each brand?
SKF uses “2RS1”, FAG uses “2RSR”, NSK uses “DDU”, NTN uses “LLU”, and Timken uses “2RS”. See the suffix decoder table above for all variants.