THK’s LM Guide Caged Ball LM Guide Global Standard size Model SHS SHS V SERIES represents a significant advancement in linear motion technology, engineered to deliver exceptional precision, durability, and reliability in demanding industrial environments. This series incorporates a unique caged ball design where the rolling elements are separated and guided by a precision-engineered retainer, effectively minimizing friction, reducing heat generation, and preventing metal-to-metal contact between the balls. The SHS V models are built to global standard dimensions, ensuring seamless interchangeability and integration with existing machinery and competitor products, which simplifies procurement, inventory management, and system upgrades for engineers and maintenance teams worldwide.
Key technical features of the SHS SHS V SERIES include a robust structure with four-way equal load capacity, allowing it to handle radial, reverse-radial, and lateral loads simultaneously with high rigidity. The ball retainer, a defining component, ensures smooth, consistent motion by maintaining precise ball-to-ball spacing, which eliminates friction and noise while enhancing operational stability at high speeds. The guide rails and blocks are manufactured from high-carbon chromium bearing steel, heat-treated to achieve a surface hardness of 58-64 HRC, providing exceptional wear resistance and long service life. Sealing systems are integrated to protect against contaminants such as dust, chips, and moisture, with options including metal and rubber seals for diverse environmental conditions. Pre-loaded ball configurations are available to eliminate backlash, ensuring high positional accuracy and repeatability, which is critical for precision applications.
Performance advantages of this series are substantial, starting with its ability to operate at higher speeds and accelerations than conventional linear guides, thanks to the reduced friction and heat buildup from the caged ball design. This results in lower maintenance requirements, extended lubrication intervals, and consistent performance over time, even under heavy loads and continuous operation. The global standard sizing ensures broad compatibility, reducing downtime during replacements or retrofits. Energy efficiency is another benefit, as the minimized friction translates to lower driving force requirements, which can lead to reduced power consumption in automated systems.
Typical applications for the THK SHS SHS V SERIES span across industries where precision and reliability are paramount. In industrial machinery, it is commonly used in CNC machining centers, milling machines, and grinding equipment to provide accurate table and spindle positioning. Within automotive systems, these guides are integral to robotic welding arms, assembly line transporters, and precision testing instruments, where they endure high-cycle operations and variable loads. In precision equipment, the series finds use in semiconductor manufacturing devices, optical positioning systems, and medical diagnostic machines, where smooth, vibration-free motion is essential for achieving micron-level accuracy. By combining innovative design with rigorous manufacturing standards, the SHS SHS V SERIES offers a dependable solution for enhancing the performance and longevity of linear motion systems in today’s advanced technological landscape.
| Model No. | Outer dimensions | Basic load rating | |||
| Radial | |||||
| Height M |
Width W |
Length L |
Dynamic rating C |
Static rating C0 |
|
| mm | mm | mm | kN | kN | |
24 |
34 |
64.4 |
14.2 |
24.2 |
|
24 |
34 |
64.4 |
14.2 |
24.2 |
|
30 |
44 |
79 |
22.3 |
38.4 |
|
30 |
44 |
79 |
22.3 |
38.4 |
|
36 |
48 |
92 |
31.7 |
52.4 |
|
36 |
48 |
92 |
31.7 |
52.4 |
|
42 |
60 |
106 |
44.8 |
66.6 |
|
48 |
70 |
122 |
62.3 |
96.6 |
|
60 |
86 |
140 |
82.8 |
126 |
|
70 |
100 |
171 |
128 |
197 |
|
90 |
126 |
221 |
205 |
320 |
|