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Ball Rail Systems from Bosch Rexroth

Rexroth roller rail systems were specially developed for use in machine tools, industrial

Roller rail systems
robots and general machine construction applications calling for compact, rolling-element linear motion guideways. 
They are available in various accuracy classes, each with extremely high load capacity and high rigidity. Standard runner blocks can also be supplied for special conditions of installation and use and for special working environments.
Wide Roller Rail Systems were developed to cater for high moment loads and highest rigidity requirements. For heavy duty applications there is a choice of Heavy Duty Roller Rail Systems.
Rexroth fabricates its guide rails and runner blocks with such high precision that each individual component element can be replaced by another at any time.
This makes infinite combinations possible. Each element can be individually ordered and separately stocked.
Both sides of the guide rail can be used as reference edges. Accessories can be simply
attached to the ends of the runner block.
Additional Features
  • Uniform guide rail profile with orwithout cover strip allows unrestricted interchangeability of components across all runner block variants
  • Lube ports on all sides for maximum ease of maintenance
  • Novel lube duct design minimises lubricant consumption
  • Smooth running thanks to optimised roller recirculation and guidance
  • Mounting of attachments to runner block from above or below
  • Maximum rigidity under load from all directions through two additional mounting screw holes at the centre of the runner block
  • High torque capacity
  • Optimised entry-section geometry and high number of rollers per track minimises variation in elastic deflection
  • The runner block simply slides off its arbor and onto the rail
  • Integrated all-round sealing as standard


  • Corrosion-resistant runner blocks and guide rails in Resist CR
  • Matte silver hard chrome plated, come in accuracy class H
  • Accuracy classes P and SP on request