Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Model Series | LMF UU |
| Material | GCr15 Bearing Steel |
| Bore Diameter | 5mm to 40mm Options |
| Outer Diameter | Standard Metric Sizes |
| Flange Shape | Round Flanged |
| Seal Type | Double Rubber Seals (UU) |
| Precision Grade | ABEC-1 |
| Lubrication | Pre-greased |
| Hardness | HRC 60-64 |
| Application | Linear Motion Systems |
Anonymous
Apr 03, 2026
Rating: 4/5
Solid component
Works as expected for automation projects. Make sure your shaft is hardened for best longevity. Overall satisfied with the purchase.
Anonymous
Mar 27, 2026
Rating: 4/5
Good quality
Smooth movement but felt a bit tight initially. After some break-in time, it works great. Good value for the price.
Anonymous
Feb 26, 2026
Rating: 5/5
Fast delivery
Product arrived well packaged and on time. The bearing matches the specifications listed. No issues with installation.
Anonymous
Feb 21, 2026
Rating: 5/5
Excellent bearing
Very smooth linear motion. I used these for a 3D printer upgrade and noticed less vibration. The seals keep dust out effectively.
Anonymous
Feb 19, 2026
Rating: 5/5
Perfect for my CNC
Fit perfectly on the 8mm shaft. The motion is smooth and the flange mounting was straightforward. Highly recommend for hobbyist CNC projects.
Q: What shaft tolerance is recommended for these bearings?
A: We recommend using shafts with h6 or g6 tolerance for optimal performance and longevity.
Q: What is the maximum speed rating for this linear bearing?
A: These bearings are suitable for moderate speeds typical in CNC and 3D printing applications. Exact speed depends on load and lubrication.
Q: What are the mounting hole spacing dimensions?
A: The mounting hole spacing varies by bore size. Please refer to the technical diagram in the product images for specific measurements.
Q: Is this bearing pre-lubricated or do I need to add grease?
A: Yes, all LMF UU bearings come pre-lubricated with grease from the factory.
Q: Can I return the item if I ordered the wrong bore size?
A: Yes, you may return the item if it is unused and in original packaging within our return policy period.
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