A
Anonymous
Mar 04, 2026
Rating: 5/5
Smooth Operation
Great quality rails for my CNC machine. Very smooth movement and the supports are solid.
Description
Linear bearing chrome-plated shaft with aluminum support cylinder round rail SBR1216202530354050
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Shaft Material | Chrome Plated Steel |
| Support Material | Aluminum Alloy |
| Bearing Type | Linear Ball Bearing (LMUU) |
| Shaft Diameter Options | 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm |
| Surface Hardness | HRC 58-62 |
| Accuracy Class | GCR15 Standard |
| Mounting Style | End Supported (SBR) |
| Primary Application | CNC Machines, 3D Printers, Woodworking |
| Lubrication | Pre-greased at Factory |
| Package Contents | Shafts, Aluminum Supports, Linear Bearings |
5 reviews
A
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect Fit
The SBR20 set fit my project perfectly. Highly recommend for DIY builds.
A
Anonymous
Feb 09, 2026
Rating: 4/5
Good Value
Solid construction. Shipping took a while but product is good for the price point.
A
Anonymous
Feb 04, 2026
Rating: 5/5
Sturdy Supports
Aluminum supports are thick and rigid. No flex under load during woodworking tasks.
A
Anonymous
Jan 31, 2026
Rating: 4/5
Nice Upgrade
Improved my 3D printer accuracy. One bearing was tight initially but loosened up.
5 FAQ
Q: What is the maximum speed rating?
A: Depends on application, generally suitable for standard CNC and printer speeds.
Q: What lengths are available for the shafts?
A: Standard lengths are in stock, custom cuts are available upon request.
Q: Do I need to oil them before use?
A: They come pre-lubricated, but occasional maintenance is advised for longevity.
Q: Are the linear bearings included in the kit?
A: Yes, the complete kit comes with shafts, supports, and linear ball bearings.
Q: How difficult is the installation process?
A: Moderate difficulty, requires basic mechanical knowledge and standard tools.
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