Products Description
SCS series linear bearings are precision linear motion bearing units with aluminum housing, designed to provide smooth, accurate, and low-friction linear movement.
The SCS-UU type features double-sealed bearings on both sides, while the SCS-LUU type adopts an extended body design for greater stability and load-bearing performance.
Both types integrate high-quality LM-UU linear ball bearings inside durable aluminum blocks, making them ideal for applications that require precise linear guidance and easy installation.
Product Parameters

Key Features
- Aluminum housing - lightweight, corrosion-resistant, and easy to mount.
- Built-in LM-UU bearing - ensures smooth linear motion with high precision.
- Double seals (UU type) - effective dust protection for longer bearing life.
- Extended version (LUU type) - longer contact surface, improved rigidity, and stability.
- Standard sizes - available from SCS8UU, SCS10UU, SCS12UU, SCS16UU, SCS20UU, SCS25UU, SCS30UU, SCS40UU, etc.
Model Comparison
| Type | Structure | Feature | Typical Use |
| SCS-UU | Standard aluminum housing + double-sealed LM bearing | Compact design, easy installation | General automation, 3D printers, CNC machines |
| SCS-LUU | Extended aluminum housing + double-sealed LM bearing | Enhanced load capacity and stability | Heavy-duty linear systems, industrial equipment |
Why Choose DLY
With more than 20 years of experience in linear motion manufacturing, DLY provides a complete range of linear bearing units, ball screws, and linear guides.
We ensure strict quality control, stable supply, and fast delivery from our large in-stock inventory.
Customized sizes, drawings, and OEM services are available to meet your project requirements.
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