Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Model Series | LM UUOP Series |
| Bearing Type | Recirculating Ball Bushing |
| Configuration | Open Type (Adjustable) |
| Material | GCr15 Bearing Steel |
| Shaft Compatibility | Hardened Linear Shaft |
| Surface Finish | Black Oxide Coated |
| Cage Type | Steel Retainer |
| Lubrication | Pre-filled with Grease |
| Application | CNC, 3D Printer, Automation |
| Origin | Imported |
Anonymous
Apr 08, 2026
Rating: 5/5
Great value
Bought the LM20 size. Fit is precise and matches standard shafts perfectly. Good price point for imported quality.
Anonymous
Apr 06, 2026
Rating: 5/5
Reliable imported quality
Consistent quality across multiple orders. We use these for light automation tasks and they hold up well.
Anonymous
Mar 10, 2026
Rating: 4/5
Good but tight
Needed some break-in time before it slid freely. Now works well. Just be aware it might be stiff out of the box.
Anonymous
Feb 17, 2026
Rating: 5/5
Perfect for 3D Printer
Replaced old bearings with these on my coreXY printer. Much quieter and smoother layers now.
Anonymous
Feb 16, 2026
Rating: 5/5
Smooth operation for CNC
Works perfectly on my X-axis. Very smooth movement with minimal friction. Highly recommended for hobbyist CNC builds.
Q: Can I use this on a soft aluminum rod?
A: No, using on soft materials like aluminum will cause rapid wear. Please use hardened steel shafts.
Q: Do I need to add more grease upon arrival?
A: The unit comes pre-greased. You should maintain lubrication based on your specific usage frequency.
Q: What is the difference between UU and UUOP?
A: UUOP indicates an Open Type design, which allows for side mounting and adjustment on supported shafts.
Q: Is the size exact to metric standards?
A: Yes, these bearings follow standard ISO metric dimensions for LM series linear bushings.
Q: What shaft hardness is required for these bearings?
A: We recommend a shaft hardness of HRC50 or higher for optimal bearing life and performance.
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