The Bosch Rexroth Runner Block (Part #1651-294-20) is a high-performance linear motion component engineered for precision, stability, and longevity in demanding machine environments.

Designed for 25mm rail systems, this runner block features minimum preload for low-friction motion, while maintaining Class N precision standards — ensuring excellent repeatability and reduced vibration in both high-speed and high-load CNC operations.

Manufactured from hardened steel with precision-ground bearing tracks, it delivers smooth linear movement with high rigidity and load-bearing capacity. Commonly used in CNC routers, milling machines, automation gantries, and industrial positioning systems.

 Specifications

• Manufacturer: Bosch Rexroth
• Model / Part Number: 1651-294-20
• Product Type: Linear Guide Runner Block
• Rail Size: 25mm
• Preload Type: Minimum Preload
• Accuracy Class: N (Normal Precision)
• Mounting Type: Bottom Mount / Standard Flange
• Construction: Hardened steel body with precision-ground tracks
• Motion: Recirculating ball linear motion system
• Lubrication: Factory pre-lubricated, re-lube capable
• Compatibility: Bosch Rexroth 25mm Linear Rail Systems
• Load Capacity: High rigidity and smooth rolling performance

 Applications

• CNC machining centers and milling equipment
• Linear automation and positioning systems
• Robotics and motion control axes
• Industrial cutting and routing machinery
• OEM and retrofit linear guide replacements