Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	LMUU
Material	GCr15 Bearing Steel
Surface Treatment	Electroplated
Seal Type	UU Double Seal
Ball Type	Recirculating Ball
Cage Material	Engineering Plastic
Shaft Requirement	Hardened Linear Shaft
Lubrication	Pre-greased
Precision Class	Normal
Package Content	1 x Linear Bearing

5 reviews

Anonymous

Apr 24, 2026

Rating: 5/5

Reliable components

Using these for a robotics project. They handle the load well without wear.

Anonymous

Mar 26, 2026

Rating: 5/5

Great for 3D printers

Upgraded my old printer with these. Much quieter than the previous brand.

Anonymous

Mar 08, 2026

Rating: 5/5

Exact fit

Ordered the LM12UU and it matched the specifications perfectly. Fast shipping.

Anonymous

Feb 17, 2026

Rating: 5/5

Smooth motion for CNC

These bearings slide perfectly on my hardened shafts. No binding issues at all.

Anonymous

Feb 10, 2026

Rating: 4/5

Good value

Quality is good for the price. One had a bit of excess grease but wiped off easily.

5 FAQ

Q: What is the tolerance for the inner diameter?

A: Standard tolerance applies for LMUU series. Please refer to the dimension chart.

Q: Can these be used outdoors?

A: They are electroplated but recommended for indoor mechanical use to prevent rust.

Q: Does this come with the linear shaft?

A: No, this listing is for the linear bearing only. Shafts are sold separately.

Q: Do I need to add more grease?

A: They come pre-lubricated. Additional grease can be added based on usage intensity.

Q: Is the LM20 compatible with a 20mm rod?

A: Yes, the number indicates the compatible shaft diameter in millimeters.

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