The Bosch Rexroth R162321820 linear guide slider is renowned for its high precision and stability, making it suitable for automated and mechanical systems with extremely high motion accuracy requirements. Its slender design enables smooth, preload-free sliding within compact spaces, earning it widespread trust among industrial users for reliable linear motion control.
KWD-025-SLS-C1-X-1 is the complete code for all parameters of the R162321820 slider. 25 represents the size specification, SLS indicates that the slider is a narrow and long slider structure (high rigidity, saving lateral space), C1 indicates a low preload level, and X indicates an extra precision level.
The core features of the REXROTH SLS slider:
It employs a four-row ball bearing structure, achieving equal load capacity in four directions, providing strong load-bearing capacity and the ability to withstand torque loads;
The SLS narrow and extended design maintains high rigidity and high load-bearing performance even in space-constrained conditions;
It supports both long-term lubrication and initial pre-lubrication designs, enabling years of low-maintenance operation;
The standard sealing structure provides excellent dustproof and contamination resistance;
The slider and guide rail are interchangeable within the same precision class, facilitating maintenance and replacement.
Item |
Specification |
Part Number |
R162321820 |
Ball Runner Type |
SLS |
Size |
25 |
Preload Class |
C1 |
Accuracy Class |
XP |
Sealing |
SS – Standard Seal |
Ball Chain |
Without Ball Chain |
Guide Block Width [mm] |
48 |
Guide Block Length [mm] |
107.9 |
Guide Block Height [mm] |
29.90 |
Guide Block Height with Rail [mm] |
36 |
Mass [kg] |
0.65 |
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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