PRODUCT
Linear Blocks & Rails
Bearing Overview
Linear guide rails with sliding blocks (linear guide systems) are designed to provide high-precision, smooth, and stable linear motion in modern mechanical systems. They consist of a hardened rail and a matched sliding block (carriage), which work together to achieve low-friction motion with excellent positioning accuracy.
By utilizing rolling elements inside the block, the system significantly reduces friction compared to traditional sliding mechanisms, while maintaining high rigidity and load-bearing capacity. This makes linear guide systems ideal for applications requiring both precision and stability under dynamic loads.
Linear guide rails are widely used in CNC machines, automation equipment, semiconductor manufacturing, robotics, and precision assembly systems. Our linear guide products deliver high accuracy, long service life, and reliable performance in demanding industrial environments.
Key Features
- High precision linear motion guidance
- Low friction and smooth movement
- High rigidity and load-bearing capacity
- Suitable for high-speed and high-accuracy applications
- Excellent repeat positioning accuracy
- Available in multiple sizes and load classes
- Long service life with minimal maintenance
- Easy installation and interchangeability
Bearing Types
Linear guide systems are available in multiple series designed for different load capacities and application requirements:
| Series | Type / Structure | Key Features | Typical Applications |
| HG Series | Heavy-load linear guide | High rigidity, high stability, strong load capacity | CNC machines, machining centers |
| EG Series | Low-profile compact guide | Space-saving design, smooth motion | Compact automation equipment |
| MG Series | Miniature linear guide | Small size, high precision | Precision instruments, small devices |
| QH / QE / QW Series | High-performance guide systems | Smooth motion, long service life | Automation, industrial machinery |
| RG Series | Roller-type linear guide | Ultra-high rigidity, very high load capacity | Heavy-duty CNC, precision machining |
| CRG Series | Corrosion-resistant guide | Anti-rust design, harsh environment suitable | Humid, chemical, outdoor environments |
| PG Series | Enhanced lubrication system | Long-life / maintenance-reduced design | Automated production lines |
| E2 Series | Self-lubricating guide system | Extended maintenance interval, low upkeep | Clean environments, automated systems |
| WE Series | Lightweight guide system | Lightweight structure, general-purpose use | Standard automation equipment |
Applications
Linear guide rail systems are widely used in precision motion control systems across multiple industries.
- CNC machining centers
- Automation equipment
- Industrial robots
- Semiconductor manufacturing equipment
- Laser cutting machines
- 3D printers and additive manufacturing
- Packaging machinery
- Medical equipment
- Measuring instruments
- Conveyor and positioning systems
Technical Specifications
| Item | Available Options |
| Structure | Rail + Block (Carriage) System |
| Series | HG / EG / MG / RG / QH / QE / QW / CRG / PG / WE |
| Load Type | Light / Medium / Heavy Load |
| Accuracy Grade | Normal / High / Precision / Ultra Precision |
| Preload | Light / Medium / Heavy |
| Lubrication | Grease / Oil / Long-life lubrication (E2 type) |
| Material | Bearing Steel / Stainless Steel (optional) |
| Rail Length | Customizable |
Dimensions Table
Please refer to the table below for detailed dimensions and specifications of each series and model.
Many additional bearing models and customized solutions are available. If you have specific requirements, please feel free to contact us for technical support and selection guidance.
| SERIES | Model NO. |
| HG | HGH15CA/HGH20CA/HGH20HA/HGH25CA/HGH25HA/HGH30CA/HGH30HA/HGH35CA/HGH35HA/HGH45CA/HGH45HA/HGH55CA/HGH55HA/HGH65CA/HGH65HA/ |
| HGL15CA/HGL25CA/HGL25HA/HGL30CA/HGL30HA/HGL35CA/HGL35HA/HGL45CA/HGL45HA/HGL55CA/HGL55HA | |
| HGW15CA/HGW20CA/HGW20HA/HGW25CA/HGW25HA/HGW30CA/HGW30HA/HGW35CA/HGW35HA/HGW45CA/HGW45HA/HGW55CA/HGW55HA/HGW65CA/HGW65HA | |
| HGW15CB/HGW20CB/HGW20HB/HGW25CB/HGW25HB/HGW30CB/HGW30HB/HGW35CB/HGW35HB/HGW45CB/HGW45HB/HGW55CB/HGW55HB/HGW65CB/HGW65HB | |
| HGW15CC/HGW20CC/HGW20HC/HGW25CCHGW25HC/HGW30CC/HGW30HC/HGW35CC/HGW35HC/HGW45CC/HGW45HC/HGW55CC/HGW55HC/HGW65CC/HGW65HC | |
| HGR15T/HGR20T/HGR25T/HGR30THGR35T/HGR45T/HGR55T/HGR65T | |
| EG | EGH15SA/EGH15CA/EGH20SA/EGH20CA/EGH25SA/EGH25CA/EGH30SA/EGH30CA/EGH35SA/EGH35CA |
| EGW15SA/EGW15CA/EGW20SA/EGW20CAEGW25SA/EGW25CA/EGW30SA/EGW30CA/EGW35SA/EGW35CA | |
| EGW15SB/EGW15CB/EGW20SB/EGW20CBEGW25SB/EGW25CB/EGW30SB/EGW30CB/EGW35SB/EGW35CB | |
| EGR15T/EGR20T/EGR25T/EGR30T/EGR35T | |
| WE | WEH17CA/WEH21CA/WEH27CA/WEH35CA/WEH50CA |
| WEW17CC/WEW21CC/WEW27CC/WEW35CC/WEW50CC | |
WER17T/WER21T/WER27T/WER35T/WER50 |
Q & A
What are linear guide rails used for?
Linear guide rails are used to achieve high-precision linear motion in CNC machines, automation equipment, robotics, and industrial machinery.
What is the difference between linear guides and traditional sliding systems?
Linear guides use rolling elements to reduce friction, offering higher precision, smoother motion, and longer service life compared to sliding systems.
What is the difference between HG, EG, and RG series?
HG is heavy-duty, EG is compact low-profile, and RG uses roller elements for ultra-high rigidity and load capacity.
Can linear guide rails be used in high-speed applications?
Yes. Linear guide systems are designed for both high-speed and high-precision applications depending on preload and lubrication conditions.
Do linear guide rails require maintenance?
Yes, regular lubrication is recommended to ensure smooth operation and extend service life, although some types offer long-life or reduced-maintenance designs.
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