Product Description
Rexroth R166531420 KWD-035-FKS-C1-N-1
The Rexroth R166531420 is a high-precision Ball Runner Block designed for demanding linear motion applications. As part of the KWD series, this size 35 runner block features a flanged, long, standard height (FKS) format, providing excellent rigidity and high load-carrying capacities in all four main directions of loading. Constructed from carbon steel, it ensures durability and a long service life. The C1 low preload and N (Normal) accuracy class make it suitable for applications requiring smooth, precise movement with reduced friction. This component is engineered for seamless integration with Rexroth Ball Guide Rails, forming a reliable and efficient linear guide system for industrial automation, machine tools, and handling systems.
Technical Specifications:
- Part Number: R166531420
- Series: KWD (Ball Runner Block)
- Size: 35
- Format: FKS (Flanged, Long, Standard height)
- Preload Class: C1 – Low preload
- Accuracy Class: N – Normal
- Runner Block Body Material: Carbon steel
- Dynamic Load Capacity (C): 43,500 N

Rexroth R166531420 KWD-035-FKS-C1-N-1
Buy the Rexroth R166531420 KWD-035-FKS-C1-N-1 Ball Runner Block. Size 35, flanged long standard height design with low preload for high-performance linear guide systems.






