The Bosch Rexroth R166681422 is a high-precision Ball Runner Block designed for demanding linear motion applications. As part of the Ball Rail Systems, this SNS (Slimline, Normal, Standard height) format runner block is constructed from durable carbon steel, ensuring long service life and reliability. It features a low preload (Class C1) and normal accuracy (Class N), providing a balanced combination of rigidity and smooth travel. Engineered for high load capacities and excellent dynamics, the R166681422 is ideal for use in machine tools, industrial robots, and automation equipment where precise and efficient linear guidance is critical.