Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	High Carbon Chromium Steel
Seal Configuration	Double Rubber Seals (UU)
Rail System Compatibility	SBR Supported Round Rail
Shaft Diameter Options	10, 12, 13, 16, 20, 25, 30, 35, 40, 50 mm
Dynamic Load Capacity	Varies by Selected Size
Static Load Capacity	Varies by Selected Size
Lubrication Status	Pre-greased with Lithium Soap
Item Condition	Open-Box (Functionality Tested)
Operating Temperature	-10°C to 80°C
Country of Manufacture	Imported

5 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Great replacement part

Fixed my wobbly 3D printer bed.

Anonymous

Feb 24, 2026

Rating: 5/5

Smooth linear motion

No binding on SBR20 rails.

Anonymous

Feb 22, 2026

Rating: 3/5

Grease was excessive

Had to clean some off before install.

Anonymous

Jan 27, 2026

Rating: 5/5

Perfect for CNC Router

Installed on my X-axis. Very smooth movement.

Anonymous

Jan 24, 2026

Rating: 4/5

Good value for money

Box was opened but item looks unused.

5 FAQ

Q: What does UU stand for?

A: It indicates double rubber seals on both sides.

Q: Is the open-box item warranty same as new?

A: Yes, same 30-day return policy applies.

Q: Are these suitable for outdoor use?

A: Seals protect against dust, but rust protection is limited.

Q: Can I mix sizes on one rail?

A: No, all bearings on a rail must match shaft diameter.

Q: Does this come with mounting screws?

A: No, bearings only.

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