A
Anonymous
Mar 15, 2026
Rating: 5/5
Smooth Operation
No binding or sticking. The lubrication was sufficient out of the box. Very satisfied.
Description
Rail-Mounted Open-Type Linear Bearing KRBR/KRBRL/KRB-12 16 20 25 30 35 40 50
Reviews
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
A
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.
A
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.
A
Anonymous
Feb 22, 2026
Rating: 5/5
Easy Installation
Came with all necessary screws. Mounted it on my 3D printer frame without any issues.
A
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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