THK SHS25LC Linear Motion Guide
The SHS25LC is a high-performance, long-block type linear motion guide from THK's SHS series. It features the identical cross-sectional profile as the standard SHS-C model but with an extended LM block length (L), delivering significantly higher load ratings for heavy-duty applications. Engineered with a caged ball design, it ensures long-term maintenance-free operation, exceptional accuracy, and stable performance under rigorous conditions.
Product Overview
The SHS25LC is a high-performance, long-block type linear motion guide from THK's SHS series. It features the identical cross-sectional profile as the standard SHS-C model but with an extended LM block length (L), delivering significantly higher load ratings for heavy-duty applications. Engineered with a caged ball design, it ensures long-term maintenance-free operation, exceptional accuracy, and stable performance under rigorous conditions.
Core Features (From THK Official Website)
- 4-Way Equal Load Capacity: Equally robust radial, reverse-radial, and lateral load-bearing capabilities to handle complex multi-directional forces.
- Self-Adjusting Capability: Automatically compensates for minor installation surface errors, guaranteeing smooth and precise linear motion.
- High Rigidity & Accuracy: Optimized structure provides exceptional rigidity, maintaining ultra-high precision even under heavy loads.
- Caged Ball Design: Exclusive ball retainer technology eliminates steel ball collisions, reducing friction, noise, and heat generation for extended service life.
- Long-Term Maintenance Free: Designed for minimal upkeep, supporting reliable operation over prolonged periods.
- Flange Type Block: Standard flange configuration with mounting bolts accessible from both top and bottom for versatile installation.
Official Dimensional Specifications (Unit: mm)
| Parameter | Value |
|---|---|
| Block Height (M) | 36 |
| Block Width (W) | 70 |
| Block Length (L) | 109 |
| Rail Width (W1) | 23 |
| Rail Height (H3) | 23.5 |
| Mounting Hole | M8 |
| Grease Nipple | B-M6F |
Official Performance Parameters
| Parameter | Value |
|---|---|
| Basic Dynamic Load Rating (C) | 36.8 kN |
| Basic Static Load Rating (C0) | 64.7 kN |
| Static Permissible Moment (MA) | 0.696 kN·m |
| Static Permissible Moment (MB) | 0.89 kN·m |
| Static Permissible Moment (MC) | 0.89 kN·m |
| Mass of LM Block | 0.848 kg |
| Mass of LM Rail | 3.2 kg/m |
Standard & Maximum Rail Length
- Standard Maximum Rail Length: 3000 mm (2020 mm as an alternative)
- Pitch of Rail Mounting Holes: 60 mm
Typical Applications
Ideal for precision machinery requiring heavy-load capacity and high accuracy, including:
- Semiconductor manufacturing equipment
- Precision measuring instruments
- Machine tools
- Automation systems
- Robotics
- Industrial machinery
