Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Model Number | 6003 |
| Bearing Type | Deep Groove Ball Bearing |
| Inner Diameter | 17 mm |
| Outer Diameter | 35 mm |
| Width | 10 mm |
| Seal Type | ZZ (Metal Shield) |
| Internal Clearance | C3 |
| Precision Grade | P5 |
| Country of Origin | Japan |
Anonymous
Apr 15, 2026
Rating: 5/5
Smooth operation
Replaced an old noisy bearing with this one. The difference is night and day. Very quiet and runs cool under load.
Anonymous
Apr 05, 2026
Rating: 5/5
High quality bearing
Used for a skateboard wheel project. The P5 precision grade makes a noticeable difference in noise reduction. Very satisfied.
Anonymous
Apr 02, 2026
Rating: 5/5
Genuine part, perfect fit
Ordered this for my electric motor repair. Dimensions are exact and the rotation is incredibly smooth. Definitely genuine NSK quality.
Anonymous
Feb 21, 2026
Rating: 4/5
Good but packaging loose
The bearing itself is excellent and works as expected. However, the packaging was a bit loose during shipping. Product arrived safe though.
Anonymous
Feb 01, 2026
Rating: 5/5
Fast shipping
Needed this urgently for a machine repair. Arrived faster than expected and fits the 17mm shaft perfectly. Would buy again.
Q: Is this made in Japan or China?
A: This specific SKU is imported from Japan, as indicated in the product title and specifications.
Q: Is this bearing pre-lubricated?
A: Yes, this NSK 6003ZZ comes pre-lubricated with high-quality grease suitable for general applications.
Q: What is the difference between ZZ and RS seals?
A: ZZ indicates metal shields on both sides, while RS indicates rubber seals. ZZ offers less friction but less protection against contaminants compared to RS.
Q: Can this handle high-speed applications?
A: Yes, the P5 precision grade and C3 clearance allow for higher speed operations compared to standard grades.
Q: What is the static load rating?
A: The basic static load rating for a 6003 bearing is typically around 4.05 kN, but please consult the official NSK catalog for exact engineering data.
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