Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Number	LM20UU
Inner Diameter	20 mm
Outer Diameter	32 mm
Overall Length	45 mm
Ball Diameter	6 mm
Material Composition	GCr15 Steel
Precision Grade	ABEC-7
Manufacturing Origin	Japan
Seal Configuration	Double Sealed (UU)
Dynamic Load Rating	1570 N

5 reviews

Anonymous

Apr 05, 2026

Rating: 5/5

Exact fit

Matches specs exactly for my project. No play in the bearing when mounted correctly.

Anonymous

Mar 01, 2026

Rating: 4/5

Solid build

Heavy duty feel and smooth motion. Would recommend for linear motion applications.

Anonymous

Feb 21, 2026

Rating: 5/5

3D Printer Upgrade

Much quieter than old ones. Significant improvement in print quality due to smooth motion.

Anonymous

Feb 04, 2026

Rating: 4/5

Good quality

Shipping took a bit long but item is genuine. Fits my shafts with minimal friction.

Anonymous

Jan 30, 2026

Rating: 5/5

Perfect for CNC

Smooth operation on my gantry system. The build quality is exactly what I expected from Japanese imports.

5 FAQ

Q: Can I use this for high-speed applications?

A: Recommended speed is up to 60 meters per minute for optimal longevity.

Q: Does it come pre-lubricated?

A: Yes, the unit comes with standard grease applied from the factory.

Q: Is this sold individually or in pairs?

A: Yes, the price listed is for a single unit unless otherwise specified in the variant selection.

Q: Is this compatible with hardened shafts?

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

Q: What is the tolerance on the inner diameter?

A: It follows JIS B 1570 standards for linear motion bearings.

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