R162439420 is a high-precision ball slide of the SLH type manufactured by Bosch Rexroth, Germany. The official Rexroth designation for this model is KWD-035-SLH-C0-N-1.
Key advantages of the R162439420 SLH ball slide:
Ultra-high rigidity: Due to its extended (L) and heightened (H) design, it has a larger load-bearing area and significantly superior rigidity compared to the ordinary SLS or SNS series.
Space optimization: The narrow (S) design reduces the lateral width, providing significant load support within confined mechanical structures.
Equal load capacity in four directions: Utilizing a 45° ball contact angle design, it maintains the same rated load capacity regardless of radial, reverse radial, or lateral forces.
Low maintenance cost: Pre-lubricated at the factory, it has excellent lubrication retention and requires no relubrication for several years.
Due to its high load-bearing capacity, high rigidity, and narrow dimensions, the R162422220 is widely used in the following precision manufacturing fields:
Precision feed axes of CNC machine tools and metal processing centers
Industrial robots and automated robotic arms
Semiconductor manufacturing and lithium battery assembly lines
Precision medical testing equipment and heavy-duty precision multi-axis positioning platforms
Item |
Specification |
Part Number |
R162439420 |
Ball Runner Type |
SLH |
Size |
35 |
Preload Class |
C0 |
Accuracy Class |
N |
Sealing |
SS – Standard Seal |
Ball Chain |
Without Ball Chain |
Guide Block Width [mm] |
70 |
Guide Block Length [mm] |
139.0 |
Guide Block Height [mm] |
47.40 |
Guide Block Height with Rail [mm] |
55 |
Mass [kg] |
2.1 |
Rated Dynamic Load [N] |
66700 |
Rated Static Load [N] |
116000 |
Rated Dynamic Torque Load [Nm] |
1440 |
Rated Static Torque Load [Nm] |
2500 |

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