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R165131922

BALL RUNNER BLOCK CARBON STEEL KWD-035-FNS-C1-U-1

Manufacturer: Bosch Rexroth

Material #: R165131922

Model : B.RUNNER BLOCK CS KWD-035-FNS-C1-U-1


***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-035-FNS-C1-U-1 (R165131922) is a state-of-the-art ball runner block designed for ultra-precision linear motion applications. This runner block is part of the Ball Rail Systems product group and is specifically engineered to provide high rigidity, low friction, and maximum precision. It features a robust steel CS body with a size FNS format, which includes a width flange, normal length, and standard height. The preload class C indicates it has a low preload for smooth operation while the accuracy class UP denotes its ultra precision capability. Equipped with a ball chain, this runner block ensures low noise levels and optimal travel behavior. It offers significant advantages in terms of reduced frictional oscillations and friction force level, especially when subjected to external loads. The patented entry zone of the runner block increases travel accuracy by up to six times compared to conventional designs. The B.RUNNER BLOCK CS KWD-035-FNS-C1-U-1 boasts numerous features that enhance its performance and versatility. These include initial lubrication for immediate use, roller bearing grease Dynalub for longevity, straight lube connections for easy maintenance, and all-around sealing for protection against contaminants. Additionally, it has high torque load capacity and can accommodate attachments from both above and below. Designed with interchangeability in mind, this Bosch Rexroth ball runner block can be combined with guide rails of every accuracy level to suit various application requirements. Its optimized entry zone geometry along with a high number of balls reduces variation in elastic deflection. The inclusion of two additional mounting screw holes at the center enhances rigidity under liftoff and side loading conditions. This product can be used on all SNSSNO ball guide rails and supports the same high load ratings in all four main directions of loading. Its long-term lubrication capabilities extend over several years without the need for frequent maintenance. With its dynamic load capacity C determined as per DIN ISO standards and multiple sealing options available as accessories, the Bosch Rexroth B.RUNNER BLOCK CS KWD-035-FNS-C1-U-1 (R165131922) sets new benchmarks in linear motion technology for demanding applications where precision is paramount.

$487.89 USD

More are expected on March 24, 2025  
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Status: This product is temporarily out of stock. 


Qty: Delivered as early as March 24, 2025 when ordered in

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