A
Anonymous
Apr 24, 2026
Rating: 5/5
Reliable components
Using these for a robotics project. They handle the load well without wear.
Description
Imported Craftsmanship: High Precision and Durability
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Model Series | LMUU |
| Material | GCr15 Bearing Steel |
| Surface Treatment | Electroplated |
| Seal Type | UU Double Seal |
| Ball Type | Recirculating Ball |
| Cage Material | Engineering Plastic |
| Shaft Requirement | Hardened Linear Shaft |
| Lubrication | Pre-greased |
| Precision Class | Normal |
| Package Content | 1 x Linear Bearing |
5 reviews
A
Anonymous
Mar 26, 2026
Rating: 5/5
Great for 3D printers
Upgraded my old printer with these. Much quieter than the previous brand.
A
Anonymous
Mar 08, 2026
Rating: 5/5
Exact fit
Ordered the LM12UU and it matched the specifications perfectly. Fast shipping.
A
Anonymous
Feb 17, 2026
Rating: 5/5
Smooth motion for CNC
These bearings slide perfectly on my hardened shafts. No binding issues at all.
A
Anonymous
Feb 10, 2026
Rating: 4/5
Good value
Quality is good for the price. One had a bit of excess grease but wiped off easily.
5 FAQ
Q: What is the tolerance for the inner diameter?
A: Standard tolerance applies for LMUU series. Please refer to the dimension chart.
Q: Can these be used outdoors?
A: They are electroplated but recommended for indoor mechanical use to prevent rust.
Q: Does this come with the linear shaft?
A: No, this listing is for the linear bearing only. Shafts are sold separately.
Q: Do I need to add more grease?
A: They come pre-lubricated. Additional grease can be added based on usage intensity.
Q: Is the LM20 compatible with a 20mm rod?
A: Yes, the number indicates the compatible shaft diameter in millimeters.
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