A
Anonymous
Mar 23, 2026
Rating: 5/5
Works as expected
Replaced old plastic ones with these. Much more durable and stable.
Description
Japan Imported NB Stainless Steel Cage Linear Bearing SM 3 4 5 6 8 10 12 13 16 20 UU
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NB (Nippon Bearing) |
| Material | Stainless Steel |
| Series | SM Series |
| Seal Type | UU (Double Seal) |
| Country of Origin | Japan |
| Cage Type | Steel Retainer |
| Motion Type | Linear |
| Shaft Compatibility | Hardened Round Shaft |
| Corrosion Resistance | High |
| Available Sizes | 3, 4, 5, 6, 8, 10, 12, 13, 16, 20 mm |
5 reviews
A
Anonymous
Mar 15, 2026
Rating: 5/5
Excellent smoothness
Used these for a linear actuator project. The motion is incredibly smooth and there is no play.
A
Anonymous
Mar 09, 2026
Rating: 5/5
Perfect for clean rooms
Stainless steel helps with corrosion and cleanliness. Highly recommend for precision equipment.
A
Anonymous
Feb 20, 2026
Rating: 5/5
Genuine Japanese Quality
Fitment was perfect on my 10mm shaft. You can tell the difference compared to generic brands.
A
Anonymous
Feb 04, 2026
Rating: 4/5
Great bearing, slow shipping
Product is top notch but took a while to arrive. Worth the wait for the quality.
5 FAQ
Q: What does UU stand for?
A: It indicates double seals on both ends to protect against dust and debris.
Q: Can this handle high temperatures?
A: Stainless steel handles moderate temperatures, but please check specific specs for extreme heat.
Q: Does this require additional lubrication?
A: It comes pre-lubricated from the factory, but periodic maintenance is recommended for heavy use.
Q: Is this suitable for outdoor use?
A: Yes, due to stainless construction it offers good resistance to weather elements.
Q: Is the inner diameter exact to the size?
A: Yes, it follows standard tolerance specifications for the selected size.
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