Anonymous
Apr 12, 2026
Rating: 4/5
Good but Pricey
Quality is undeniable, but the price is higher than competitors. You pay for reliability and longevity though.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Material | High Carbon Chromium Steel |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | ZZ (Metal Shield) |
| Precision Rating | ISO Class 0 (ABEC-1) |
| Cage Material | Pressed Steel |
| Country of Origin | Japan |
| Lubrication | Pre-greased |
| Noise Level | Low Noise Operation |
| Warranty | 1 Year Manufacturer Warranty |
Anonymous
Apr 12, 2026
Rating: 4/5
Good but Pricey
Quality is undeniable, but the price is higher than competitors. You pay for reliability and longevity though.
Anonymous
Mar 18, 2026
Rating: 5/5
Low Friction Performance
Using these in a high RPM application. They run cool and show no signs of wear after 100 hours of operation.
Anonymous
Feb 14, 2026
Rating: 5/5
Perfect Fit
Ordered the 6002ZZ size. Dimensions were exact according to calipers. Much better than the generic brands I used before.
Anonymous
Feb 05, 2026
Rating: 5/5
Bulk Order Success
Purchased 50 units for our shop. All arrived well packaged in original NSK boxes. Will order again.
Anonymous
Feb 05, 2026
Rating: 5/5
Genuine NSK Quality
Verified these are authentic Japanese imports. The spin is incredibly smooth and silent. Perfect for my electric motor rebuild.
Q: Are these bearings made of stainless steel?
A: No, these are made of high carbon chromium bearing steel for maximum durability and load capacity.
Q: What is the maximum operating temperature?
A: Standard grease allows operation up to 120 degrees Celsius continuously.
Q: Can I wash these bearings with solvent?
A: We do not recommend washing pre-greased sealed bearings as it removes the factory lubrication.
Q: What is the inner diameter for the 6003 model?
A: The 6003 model has an inner diameter of 17mm, outer diameter of 35mm, and width of 10mm.
Q: Do you offer bulk discounts for over 100 units?
A: Yes, please contact our sales team directly for pricing on large volume orders.