Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	LM4, LM5, LM6, LM8, LM10, LM12, LM16, LM20, LM25, LM30, LM35
Material	GCr15 High Carbon Chromium Bearing Steel
Hardness	HRC 60-64
Precision Grade	G10
Seal Type	Double Rubber Seal (UU)
Cage Type	Steel Ball Retainer
Surface Treatment	Black Oxide Coated
Operating Temperature	-20°C to 120°C
Lubrication	Pre-lubricated with High-Performance Grease
Compatibility	Requires Hardened Linear Shaft (Sold Separately)

5 reviews

Anonymous

Apr 23, 2026

Rating: 5/5

Excellent Quality

Better than expected for the price. The steel feels solid and the seals are tight. Will order more for future builds.

Anonymous

Feb 19, 2026

Rating: 5/5

Smooth Motion for CNC

Installed these on my CNC router axis. The movement is incredibly smooth and there is no play. Highly recommended for precision work.

Anonymous

Feb 15, 2026

Rating: 4/5

Solid Choice

Very quiet operation during movement. Slight grease smell initially but dissipated after use. Good value.

Anonymous

Feb 10, 2026

Rating: 5/5

Fast Delivery

Perfect for my 3D printer upgrade project. Arrived quickly and packaging protected the bearings well.

Anonymous

Feb 09, 2026

Rating: 4/5

Good Fit

Works well for my project. Needed a little bit of cleaning to remove excess grease but otherwise perfect dimensions.

5 FAQ

Q: What shaft hardness is required for these bearings?

A: We recommend using a hardened linear shaft with HRC 50 or higher for optimal performance and longevity.

Q: Is the LM8 split type available?

A: Yes, the LM8 split type is available. Please select the specific variant from the dropdown menu during checkout.

Q: Do these come pre-lubricated?

A: Yes, all units are pre-greased from the factory and ready for immediate installation.

Q: Can I use these bearings in outdoor environments?

A: The sealed type protects against dust and debris, but we recommend additional protection against direct water exposure.

Q: What is the tolerance range for the inner diameter?

A: These follow standard metric tolerance specifications for the LM series. Please refer to the technical drawing for exact microns.

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