Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	LMH-LUU Extended Flange
Available Bore Sizes	6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm, 60mm
Material	GCr15 Bearing Steel
Heat Treatment	Hardness HRC 60-64
Seal Type	Double Rubber Seals (UU)
Cage Material	Steel Retainer
Precision Class	Normal Grade
Lubrication	Pre-greased with Lithium Soap
Primary Application	CNC Machines, 3D Printers, Automation
Country of Origin	China

5 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Fast shipping and well packed

Arrived quickly and were wrapped individually to prevent damage. No issues with fitment on standard linear shafts.

Anonymous

Mar 31, 2026

Rating: 5/5

Excellent build quality

I ordered the 20LUU size for a linear motion project. The steel feels robust and the seals keep dust out effectively.

Anonymous

Feb 24, 2026

Rating: 4/5

Good value

Solid bearings for the price. One of them was slightly stiff out of the box but loosened up after some use. Would buy again.

Anonymous

Feb 04, 2026

Rating: 5/5

Reliable components

Using these for a custom automation rig. They handle the load well and movement is precise without much play.

Anonymous

Jan 30, 2026

Rating: 5/5

Perfect for my CNC router

These bearings slide smoothly on my hardened shafts. The flange mounting holes lined up perfectly with my design. Very satisfied with the quality.

5 FAQ

Q: Is the flange removable if I need a straight bearing?

A: No, the flange is integrated into the housing and cannot be removed. Please select a straight model if flange is not required.

Q: Are these compatible with standard hardened linear shafts?

A: Yes, these bearings are designed specifically for use with hardened and ground linear shafts.

Q: What is the tolerance range for the 10mm bore size?

A: The bore follows standard ISO tolerances for linear ball bearings suitable for g6 shaft tolerance.

Q: Do I need to add additional grease before installation?

A: They come pre-greased from the factory. However, regular maintenance lubrication is recommended for long-term use.

Q: Can these bearings support vertical mounting orientations?

A: Yes, they can be mounted vertically, but ensure the shaft is properly supported to prevent bending under load.

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