Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	LMH UU (Extended Double-Notched Flanged)
Bore Diameter	6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm
Outer Diameter	Metric Standard (Varies by Bore Size)
Flange Shape	Double-Notched Circular Flange
Ball Return System	Infinite Ball Circulation
Material	High Carbon Chromium Bearing Steel
Seal Type	Double Rubber Seals (UU)
Hardness	HRC 60-64
Pre-Lubrication	Yes, Industrial Grease Included
Compatibility	Hardened Linear Guide Shafts

5 reviews

Anonymous

Apr 11, 2026

Rating: 5/5

Reliable for industrial use

We use these in our conveyor systems. They hold up well under continuous operation and minimal maintenance.

Anonymous

Mar 31, 2026

Rating: 4/5

Good quality, slight stiffness

Quality seems high. They were a bit stiff out of the box but loosened up after some use. Good for the cost.

Anonymous

Mar 11, 2026

Rating: 5/5

Smooth operation on Z-axis

Installed these on my milling machine conversion. The motion is incredibly smooth and the flange mounting was straightforward.

Anonymous

Feb 15, 2026

Rating: 5/5

Exactly as described

Shipping was fast and packaging protected the bearings well. No damage and dimensions match the spec sheet.

Anonymous

Jan 31, 2026

Rating: 5/5

Perfect fit for LM12 shafts

Ordered the LMH12UU set. They fit my hardened rods perfectly with no wobble. Great value for the price.

5 FAQ

Q: Is the flange thickness standard across all sizes?

A: No, the flange dimensions scale with the bore size. Please refer to the dimension chart in the product images.

Q: Can I use these with unhardened steel shafts?

A: It is not recommended. Using unhardened shafts may cause premature wear on the bearing balls and raceway.

Q: What is the shaft tolerance required for these bearings?

A: We recommend using hardened shafts with a g6 tolerance for optimal performance and lifespan.

Q: What is the maximum operating temperature?

A: Standard seals are rated up to 80 degrees Celsius. High-temp options may be available upon request.

Q: Do these come pre-lubricated or do I need to add oil?

A: These bearings come pre-lubricated with standard grease. You can add more later if needed for specific applications.

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