The Rexroth R16513382Z is a high-precision Ball Runner Block designed for demanding linear motion applications. As part of the Ball Rail System series, this component provides exceptional rigidity, high load-carrying capacity, and smooth, low-friction travel. Its FNS format (Flanged, Normal length, Standard height) allows for secure mounting and versatility in various machine designs. Constructed from carbon steel and featuring a high preload (Class C3), this runner block ensures maximum system stiffness and accuracy, making it ideal for use in machine tools, industrial robots, and automation equipment where performance and reliability are critical.