Model R166589422 corresponds to the Rexroth KWD-020-FKS-C0-N-1 ball slide block. The R166589422 ball slide block belongs to the FKS series and is a flange-type, short, standard-height steel standard slide block suitable for applications with limited longitudinal space. Its specification is 20, and it is a standard precision grade (precision grade N) product with no preload (preload grade C0), and it features a built-in ball chain to reduce noise.
R166589422 Ball Slider Performance Characteristics:
Standard precision, positioning accuracy meets general equipment requirements; C0 no-preload clearance type, smooth operation, low resistance, no crawling at low speeds.
Four-way equal load design, resistant to off-center loads, standard seal, dustproof and cutting fluid resistant, good environmental adaptability.
Quenched and precision-ground raceways, long wear-resistant life, capable of high-speed reciprocating operation, suitable for precision automation, lasers, and small machine tools.
Main Applications of FKS Type Ball Sliders
Automation Equipment
CNC Machine Tools
Electronic and Semiconductor Equipment
Testing and Measuring Equipment
Medical and Laboratory Equipment
Precision Positioning Systems
Item |
Specification |
Part Number |
R166589422 |
Ball Runner Type |
FKS |
Size |
20 |
Preload Class |
C0 |
Accuracy Class |
N |
Sealing |
SS – Standard Seal |
Ball Chain |
With Ball Chain |
Guide Block Width [mm] |
63 |
Guide Block Length [mm] |
57.3 |
Guide Block Height [mm] |
25.35 |
Guide Block Height with Rail [mm] |
30 |
Mass [kg] |
0.30 |
Rated Dynamic Load [N] |
14700 |
Rated Static Load [N] |
15300 |
Rated Dynamic Torque Load [Nm] |
190 |
Rated Static Torque Load [Nm] |
200 |

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