Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	LMH UU Series
Bore Diameter Options	6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm
Flange Shape	Oval Dual-Cut-Edge
Material	GCr15 Bearing Steel
Seal Type	Double Rubber Seals (UU)
Precision Grade	ABEC-1
Surface Treatment	Black Oxide Coated
Lubrication	Pre-lubricated with Grease
Compatibility	Hardened Linear Guide Shafts
Application	CNC Machines, 3D Printers, Automation

5 reviews

Anonymous

Apr 23, 2026

Rating: 4/5

Good Quality, Tight Fit

The quality seems solid. They were slightly tighter than expected out of the box but loosened up after some use. Good value for the price.

Anonymous

Apr 07, 2026

Rating: 5/5

Fast Shipping

Arrived quickly and were well packaged. No damage to the flanges during transit. Will buy again for my next automation project.

Anonymous

Mar 23, 2026

Rating: 5/5

Excellent Precision

Measured the bore and outer diameter with calipers. All within specified tolerances. The oval flange makes mounting very stable.

Anonymous

Feb 09, 2026

Rating: 4/5

Solid Upgrade

Used these to upgrade my 3D printer linear motion. Much quieter than the old plastic ones. Just make sure your shafts are hardened.

Anonymous

Jan 29, 2026

Rating: 5/5

Perfect for CNC Build

These bearings fit my 12mm shafts perfectly. The motion is smooth and there is no noticeable play. Highly recommended for hobbyist CNC projects.

5 FAQ

Q: What is the maximum operating temperature?

A: The standard operating temperature range is between -20°C to 120°C depending on the lubricant used.

Q: Are the flange mounting holes metric or imperial?

A: All mounting holes follow metric standards corresponding to the bore size selected.

Q: Do I need to add oil before using them?

A: They come pre-lubricated with grease. However, periodic maintenance lubrication is recommended for extended life.

Q: Can these handle vertical load applications?

A: Yes, but ensure the shaft is properly supported to prevent sagging under heavy vertical loads.

Q: Are these compatible with standard hardened steel shafts?

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

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