Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	YTP
Model Series	LMK UU
Bearing Type	Linear Ball Bearing
Flange Shape	Square
Seal Type	Double Rubber Seals
Shaft Compatibility	Hardened Round Shaft
Material	GCr15 Bearing Steel
Cage Material	Engineering Plastic
Lubrication	Factory Greased
Application	CNC, 3D Printer, Automation

5 reviews

Anonymous

Apr 14, 2026

Rating: 3/5

Size confusion

Make sure to measure your shaft carefully. I ordered the wrong size initially.

Anonymous

Apr 14, 2026

Rating: 5/5

Exactly as described

Fast shipping and good packaging. The dimensions matched my calipers perfectly.

Anonymous

Mar 24, 2026

Rating: 5/5

High quality

Using them on my 3D printer build. Very quiet and smooth movement.

Anonymous

Mar 15, 2026

Rating: 5/5

Smooth operation

Great bearings for the price. They slide effortlessly on my hardened shafts.

Anonymous

Feb 11, 2026

Rating: 4/5

Good fit

Slightly tight initially but loosened up after some use. Good quality overall.

5 FAQ

Q: What grease is used inside?

A: Standard lithium-based grease is applied at the factory for immediate use.

Q: Can these handle high speeds?

A: They are suitable for moderate speeds typical in CNC and automation applications.

Q: Is the flange thickness standard?

A: Yes, the flange dimensions follow standard ISO specifications for LMK series.

Q: Do you sell the shafts separately?

A: Yes, please check our store listing for compatible linear round shafts.

Q: What shaft hardness is required?

A: Hardened steel shafts are recommended for optimal lifespan and performance.

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