The THK LM Guide NR X NR SLRX SERIES represents a significant advancement in linear motion technology, specifically engineered to handle ultra-heavy loads with exceptional stability and precision. This full ball type, radial design LM Guide incorporates a unique structural configuration where the load-bearing balls are arranged in a radial pattern, maximizing contact area and distributing forces evenly across the guideway. This design is optimized for applications requiring robust support under extreme vertical and horizontal loads, ensuring minimal deformation and maintaining alignment even in the most demanding operational environments. The series features a reinforced steel construction with precision-ground raceways, providing high rigidity and resistance to shock and vibration, which is critical for maintaining accuracy over long service life.
Key technical features of the NR X NR SLRX SERIES include its high load capacity, achieved through a full complement of balls that eliminate retainer-related limitations, allowing for smoother motion and reduced friction. The radial type configuration enhances moment load resistance, making it ideal for applications with significant off-center forces. Additionally, the guide incorporates THK’s proprietary surface treatment and lubrication systems, which reduce wear and extend maintenance intervals. Performance advantages are evident in its ability to sustain high-speed operation without sacrificing precision, thanks to optimized ball circulation that minimizes heat generation and noise. The low friction coefficient ensures energy efficiency, while the sealed design protects against contaminants like dust and moisture, making it suitable for harsh industrial settings.
In industrial machinery, the NR X NR SLRX SERIES is commonly deployed in heavy-duty CNC machining centers, large-scale transfer systems, and press machines where high load-bearing capacity and positional accuracy are paramount. Its durability and precision reduce downtime and enhance productivity in automated production lines. In automotive systems, this LM Guide is utilized in robotic welding arms, assembly line conveyors, and testing equipment that handle heavy components, such as engine blocks or chassis parts, ensuring reliable performance under repetitive stress. For precision equipment, it finds applications in semiconductor manufacturing tools, optical alignment systems, and medical device machinery, where its stability supports micron-level accuracy. Overall, the THK NR X NR SLRX SERIES delivers a combination of strength, longevity, and precision, making it a trusted solution for industries reliant on robust linear motion components to drive efficiency and innovation.
| 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 | |
31 |
50 |
170.3 |
71 |
172.6 |
|
38 |
60 |
204.6 |
104.8 |
248.6 |
|
44 |
70 |
238.9 |
145.6 |
338.2 |
|
52 |
86 |
271.4 |
193.5 |
441.8 |
|
63 |
100 |
400.5 |
305.8 |
750.5 |
|
75 |
126 |
422.2 |
423.1 |
967.1 |
|