The Rexroth R167159420 is a high-precision Ball Runner Block from the BNS series, designed for use in demanding linear motion applications. This component is engineered for high rigidity and significant load-bearing capacity in all four main directions of force application. Its robust carbon steel construction ensures durability and long service life. The KWD-020-BNS-C0-N-1 model features a standard height, normal length format with low preload and normal accuracy, making it a versatile choice for machine tools, industrial automation, and material handling systems requiring precise and reliable linear guidance.