The Rexroth R162439320 is an SLH narrow, extended, and tall carbon steel ball slide block, belonging to the Rexroth ball guide system. This model features high rigidity, high torque capacity, and extremely high running accuracy.
Key Advantages of the R162439320 SLH Narrow Ball Slider:
High Rigidity and Low Friction: The extended design with a four-row ball structure provides higher torque resistance and system rigidity compared to standard narrow ball slides (SLS), while effectively reducing friction fluctuations under external loads.
Ultra-High Stroke Accuracy: Utilizing Rexroth's patented ball entry zone design, the slider's motion smoothness and travel accuracy can be improved by up to 6 times.
Unlimited Interchangeability: This slider can be freely combined and replaced with any Rexroth standard ball guide of the same specification (35) such as SNS/SNO, reducing spare parts inventory costs.
Long Maintenance-Free Cycle: Pre-lubricated at the factory, with omnidirectional lubrication nozzles, it can achieve long-term lubrication for several years, reducing maintenance frequency.
Applications of REXROTH R162439320:
Machine Tools: Such as machining centers and milling machines, requiring high guiding accuracy and rigidity.
Industrial Robots: Used for material handling and assembly, requiring high dynamic response and smooth movement.
Automation Equipment: Such as material handling, packaging machinery, and printing machinery.
Injection Molding Machines: Equipment requiring high rigidity and load-bearing capacity.
Item |
Specification |
Part Number |
R162439320 |
Ball Runner Type |
SLH |
Size |
35 |
Preload Class |
C0 |
Accuracy Class |
H |
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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