Product Description
Rexroth R165321320 KWD-025-FLS-C1-H-1
The Bosch Rexroth R165321320 is a high-precision Ball Runner Block designed for demanding linear motion applications. As part of Rexroth’s Ball Rail Systems, this component ensures smooth, accurate, and low-friction movement along a guide rail. The FLS format indicates a flanged, long, standard height body, providing high rigidity and load-carrying capacity, making it suitable for tasks requiring significant force and moment support. Manufactured from carbon steel, it offers excellent durability and performance. This runner block is engineered for interchangeability, allowing it to be combined with any Rexroth guide rail of the same size and accuracy class, simplifying system design and maintenance.
Technical Specifications:
- Part Number: R165321320
- Type: KWD Ball Runner Block
- Size: 25
- Format: FLS (Flanged, Long, Standard height)
- Preload Class: C1 (Low preload)
- Accuracy Class: H (High)
- Material: Carbon Steel (CS)

Rexroth R165321320 KWD-025-FLS-C1-H-1
Order the Bosch Rexroth R165321320 Ball Runner Block, size 25. This FLS-format linear carriage features C1 low preload and H-class accuracy for high-performance linear guide systems.






