Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	KRBR / KRBRL / KRB
Shaft Diameter Options	12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm
Bearing Type	Open-Type Linear Ball Bearing
Material Composition	High-Carbon Chromium Steel
Surface Hardness	HRC 60-64
Mounting Bracket	Included (Aluminum Alloy)
Precision Grade	Normal Grade
Pre-Lubrication	Yes, Lithium Grease
Operating Temperature	-10°C to 80°C
Country of Origin	China

5 reviews

Anonymous

Mar 15, 2026

Rating: 5/5

Smooth Operation

No binding or sticking. The lubrication was sufficient out of the box. Very satisfied.

Anonymous

Mar 10, 2026

Rating: 4/5

Good Value

Works well overall. Shipping took a bit longer than expected, but the product quality is solid.

Anonymous

Mar 06, 2026

Rating: 5/5

High Quality Build

Very sturdy rail. The open-type bearing makes maintenance easy. Highly recommend for industrial use.

Anonymous

Feb 22, 2026

Rating: 5/5

Easy Installation

Came with all necessary screws. Mounted it on my 3D printer frame without any issues.

Anonymous

Feb 21, 2026

Rating: 5/5

Perfect for CNC Upgrade

Smooth motion and the bracket fits perfectly. Improved the accuracy of my machine significantly.

5 FAQ

Q: Can I cut the rail to a custom length?

A: Cutting is not recommended as it may affect the surface hardness and precision of the rail.

Q: What is the warranty period for this item?

A: This product comes with a 1-year manufacturer warranty against defects.

Q: What type of lubricant is pre-applied?

A: We use standard lithium grease suitable for most general industrial applications.

Q: Does the package include mounting screws?

A: Yes, the mounting bracket comes with the necessary screws for installation.

Q: Is this compatible with SBR round rails?

A: No, this guide rail is specifically designed for the KRBR/KRB series linear bearings, not SBR rails.

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