Anonymous
Apr 12, 2026
Rating: 5/5
Genuine NSK
Packaging was sealed properly and the build quality feels authentic. No vibration issues.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Inner Diameter | 5 mm |
| Outer Diameter | 13 mm |
| Width | 4 mm |
| Material | Stainless Steel |
| Precision Class | ABEC-7 |
| Max Speed | 50,000 RPM |
| Temperature Range | -20°C to 150°C |
| Country of Origin | Japan |
| Lubrication | High-Temp Grease |
Anonymous
Apr 12, 2026
Rating: 5/5
Genuine NSK
Packaging was sealed properly and the build quality feels authentic. No vibration issues.
Anonymous
Apr 11, 2026
Rating: 5/5
Smooth Operation
Runs quietly at high speeds. Very satisfied with the performance in my micro motor setup.
Anonymous
Mar 14, 2026
Rating: 4/5
Good Value
Works well for the price. Shipping took a bit longer than expected but the product is solid.
Anonymous
Feb 26, 2026
Rating: 5/5
Perfect Fit
Matches the 5mm specification exactly. Easy to install and functions as described.
Anonymous
Feb 13, 2026
Rating: 5/5
Durable
Withstands heat during prolonged use without losing efficiency. Highly recommend for drills.
Q: Where is it made?
A: These bearings are imported from Japan as per the manufacturer specifications.
Q: Is this sterile?
A: No, this is a mechanical component only and is not sterilized for medical use.
Q: Can I return it?
A: Yes, returns are accepted if the item is unused within 30 days of purchase.
Q: Does this fit a 5mm shaft?
A: Yes, the inner diameter is specifically designed for 5mm shafts.
Q: What is the max RPM?
A: It is rated for speeds up to 50,000 RPM under normal operating conditions.