Product Description
Rexroth R165342320 KWD-045-FLS-C2-H-1
The Bosch Rexroth R165342320 Ball Runner Block is a high-precision component designed for demanding linear motion applications. As part of the Ball Rail System, this KWD-045-FLS-C2-H-1 model features a flanged, long, standard height (FLS) format, providing excellent rigidity and load-carrying capabilities. Manufactured from durable carbon steel, it is engineered for high performance in machine tools, industrial robots, and general automation systems. The C2 medium preload and H high accuracy class ensure precise and repeatable movement. This runner block is equipped with a ball chain, which contributes to low noise levels, smooth travel, and an optimized lubricant distribution for extended service life.
Technical Specifications:
- Part Number: R165342320
- Format: FLS (Flanged, Long, Standard height)
- Size: 45
- Preload Class: C2 (Medium preload)
- Accuracy Class: H (High)
- Dynamic Load Capacity C: 82,100 N
- Static Load Capacity C0: 139,000 N
- Material: Carbon Steel (CS)

Rexroth R165342320 KWD-045-FLS-C2-H-1
Purchase the Rexroth R165342320 (KWD-045-FLS-C2-H-1) Ball Runner Block. This size 45, high-precision linear guide offers superior rigidity and load capacity for industrial automation and machine tool applications.





