The Bosch Rexroth R166579422 ball slide is a 30-size flange-type short slide made of carbon steel, with N standard precision and C0 no preload. It features a ball chain design to achieve high rigidity, low friction, and heavy load, making it suitable for high-precision, high-load linear motion applications.
REXROTH R166579422 KWD-030-FKS-C0-N-1 Ball Slider Core Performance Features
With Ball Chain: The slider incorporates a ball chain. The balls do not collide, resulting in extremely low and uniform friction, significantly reducing operating noise.
C0 Clearance Class: This slider is zero-preload. It exhibits minimal motion resistance and low starting friction, making it suitable for applications requiring high smoothness and uniform external loads.
N Class General Accuracy: Meets the accuracy requirements of most standard industrial automation and mechanical manufacturing applications.
Four-Direction Equal Load Capacity: Bosch Rexroth's unique ball track design ensures the same rated load and extremely high rigidity in the four main load directions: up, down, left, and right.
Rexroth R166579422 FKS ball bearing slides are mainly used in the following industries:
3C Electronics & Semiconductors: dispensing, bonding, PCB inspection, precision slides for semiconductor transfer;
Non-standard Automation: production line transfer mechanisms, small robotic arms, automated assembly modules;
New Energy Equipment: lithium battery assembly, electrode processing, battery testing fixtures;
Item |
Specification |
Part Number |
R166579422 |
Ball Runner Type |
FKS |
Size |
30 |
Preload Class |
C0 |
Accuracy Class |
N |
Sealing |
SS – Standard Seal |
Ball Chain |
With Ball Chain |
Guide Block Width [mm] |
90 |
Guide Block Length [mm] |
75.3 |
Guide Block Height [mm] |
35.35 |
Guide Block Height with Rail [mm] |
42 |
Mass [kg] |
0.80 |
Rated Dynamic Load [N] |
24400 |
Rated Static Load [N] |
26900 |
Rated Dynamic Torque Load [Nm] |
420 |
Rated Static Torque Load [Nm] |
470 |

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