The Bosch Rexroth R162429420 is an SLH type (narrow, extended, 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 R162429420 SLH Ball Slide Block:
High Rigidity and Low Friction: The extended design combined with a four-row O-type ball arrangement provides higher torque resistance and system rigidity compared to the standard narrow slide block (SLS), while effectively reducing friction fluctuations under external loads.
Ultra-High Stroke Accuracy: Utilizing Rexroth's patented ball entry zone design, the slide block's motion smoothness and travel accuracy are improved by up to 6 times.
Unlimited Interchangeability: This slide block can be freely combined and interchanged with any Rexroth standard ball guide of the same specification (25 gauge), such as SNS/SNO, reducing spare parts inventory costs.
Long maintenance-free cycle: Pre-lubricated at the factory, with omnidirectional lubrication nozzles, enabling long-term lubrication for several years and reducing maintenance frequency.
Core application industries of REXROTH SLS sliders:
1. Lithium battery manufacturing and semiconductor equipment
2. Automated logistics and multi-axis Cartesian coordinate robots
3. Woodworking machinery and engraving machines
4. Packaging and printing equipment
5. Medical devices and testing instruments
Item |
Specification |
Part Number |
R162429420 |
Ball Runner Type |
SLH |
Size |
25 |
Preload Class |
C0 |
Accuracy Class |
N |
Sealing |
SS – Standard Seal |
Ball Chain |
Without Ball Chain |
Guide Block Width [mm] |
48 |
Guide Block Length [mm] |
107.9 |
Guide Block Height [mm] |
33.90 |
Guide Block Height with Rail [mm] |
40 |
Mass [kg] |
0.8 |
Rated Dynamic Load [N] |
37300 |
Rated Static Load [N] |
52500 |
Rated Dynamic Torque Load [Nm] |
530 |
Rated Static Torque Load [Nm] |
750 |

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