A
Anonymous
Apr 17, 2026
Rating: 4/5
Good quality but tight
Needs a little breaking in but otherwise solid construction.
Description
Linear Guide Rail Block with Square Flange Linear Bearing LMK6 8 10 12 13 16 20UU for Smooth Shafts
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Model Series | LMK UU |
| Bore Diameter | 6mm / 8mm / 10mm / 12mm / 13mm / 16mm / 20mm |
| Flange Type | Square Flanged |
| Seal Type | Double Seal (UU) |
| Shaft Compatibility | Ground Hardened Shaft |
| Bearing Material | High Carbon Steel |
| Cage Material | Engineering Plastic |
| Mounting Holes | Counterbored for Screws |
| Pre-Lubricated | Yes |
| Typical Application | CNC, 3D Printer, Linear Rail |
5 reviews
A
Anonymous
Apr 12, 2026
Rating: 4/5
Solid construction
Heavy duty feel. Mounting holes aligned well with my base.
A
Anonymous
Mar 18, 2026
Rating: 5/5
Perfect for my CNC build
Smooth operation and fits the shaft perfectly. Very happy with the quality.
A
Anonymous
Mar 07, 2026
Rating: 5/5
Exactly what I needed
Fits 12mm shaft perfectly. No wobble at all.
A
Anonymous
Feb 19, 2026
Rating: 5/5
Great value
Fast shipping and well packaged. Works great on my linear rail.
5 FAQ
Q: Does this come pre-lubricated?
A: Yes, all bearings are pre-lubricated with standard grease.
Q: What size screws fit the mounting holes?
A: Screw size varies by bore diameter. Please check the specific dimension chart.
Q: What is the shaft tolerance requirement?
A: We recommend a shaft tolerance of g6 for optimal performance.
Q: Is a hardened shaft required?
A: Yes, for best lifespan, please use a hardened and ground shaft.
Q: Can this handle high-speed motion?
A: Yes, but we recommend staying under 2 meters per second for longevity.
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