***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth B.RUNNER BLOCK CS KWD-025-FNS-C2-H-1 (R165122320) is a high-precision ball runner block designed for linear motion applications requiring high rigidity and accuracy. This runner block is part of the Ball Rail Systems product group, crafted from unalloyed steel CS, and features an FNS size format with a medium preload class C and a high accuracy class H. It comes without a ball chain but includes initial lubrication and preservation with roller bearing grease Dynalub. The B.RUNNER BLOCK CS boasts excellent dynamic characteristics, with significantly reduced frictional oscillations and low friction levels, especially under external load conditions. Its patented entry zone enhances travel accuracy by up to six times. The design allows attachments to be mounted from both above and below the runner block, providing flexibility in various application setups. Equipped with lube fittings that have metal threads on all sides and end-face fastening threads for attachments, this model ensures ease of maintenance and versatility. It also features integrated all-around sealing for protection against contaminants, contributing to its long service life. The runner block's high torque load capacity and various preload classes cater to different application needs, while its design permits the use of just one runner block per rail in certain scenarios. The additional mounting screw holes at the center enhance rigidity under lift-off and side loading conditions. An optional integrated, inductive, and wear-free measuring system can be added for precise monitoring. The B.RUNNER BLOCK CS is prelubricated at the factory for immediate use on all SN/SNO ball guide rails. Long-term lubrication over several years is possible due to its robust design. With high load ratings in all four main directions of loading, this Bosch Rexroth ball runner block stands out for its durability, precision, and adaptability across various industrial applications.