Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	NSK
Country of Origin	Japan
Series	LM, LMUD
Bearing Type	Linear Ball Bearing
Seal Designation	UU (Double Seal)
Material	High Carbon Chromium Steel
Cage Material	Resin Molded
Compatible Shaft Diameters	3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 20mm, 25mm
Precision Class	Standard Precision
Package Contents	1 x Linear Bearing Unit

5 reviews

Anonymous

Apr 19, 2026

Rating: 4/5

Good quality but pricey

Performance is excellent and build quality is top notch. Only giving 4 stars because the price is higher than domestic alternatives.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect fit for CNC router

These bearings are incredibly smooth. I installed them on my X-axis and the movement is silent. Genuine NSK quality as expected.

Anonymous

Mar 06, 2026

Rating: 5/5

Genuine Japanese import

Verified the packaging and serial codes. These are the real deal, not cheap copies. Worth the extra cost for reliability.

Anonymous

Mar 03, 2026

Rating: 5/5

Zero backlash observed

Using these for a precision automation project. The preload is perfect and there is no noticeable play in the system.

Anonymous

Feb 15, 2026

Rating: 5/5

Fast delivery and well protected

Arrived quickly and was packaged with care to prevent any damage during shipping. Ready to install immediately.

5 FAQ

Q: What shaft tolerance is recommended for these bearings?

A: We recommend using shafts with h5 tolerance for optimal performance and longevity.

Q: Is this bearing pre-lubricated or do I need to add grease?

A: These units come pre-lubricated with standard grease. You can add more later if needed for specific applications.

Q: What is the main difference between LM and LMUD series?

A: The LMUD series has a longer body length compared to LM, allowing for higher load capacity and stability.

Q: Can these be used with hardened steel shafts?

A: Yes, they are designed to work best with hardened and ground linear shafts for maximum life.

Q: What is the maximum operating temperature range?

A: Standard models operate safely between -10 degrees Celsius to 80 degrees Celsius.

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