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Drive Units


  • AOK and AGK drive units are ready-to-install drive axes with ball screw assemblies; nut housings, and pillow block units
  • They are available in three sizes with freely configurable lengths up to 5600 mm
  • In conjunction with the Rexroth rail systems, you are given all the design freedom you need to build a machine
  • High positioning accuracy and repeatability thanks to the ball screw assembly with backlash-free, pre-tensioned nut system

Additional information

Drive units AOK and AGK consist of the proven Rexroth ball screw drive, which is complemented with nut housings and pillow block units to make it into a ready-to-install drive axis. When combined with an external linear guide, the drive unit becomes a functional linear motion Axis for numerous applications.

  • AOK Drive Units in open format are ready-to-install drive axes consisting of a ball screw drive with nuts and pillow blocks, as well as an optional Nut Housing
  • Three coordinated sizes in any length up to Lmax.
  • A version with fixed and floating bearing or also with only fixed bearing is available
  • Driven by precision ball screw assembly in rolled design in accordance with DIN 69051: Screw available in tolerance grade T5 or T7, different nut versions to select from depending on the size and lead, three different preloads to select from (C1, C2, and C3)
  • Pillow blocks available in aluminum or steel design
  • AGK closed-type drive units are ready-to-install drive axes consisting of ball screw assemblies, nut housings, and pillow blocks, as well as an aluminum protective profile with cover strip as an enclosure
  • Three coordinated sizes in any length up to Lmax.
  • The Rexroth Ball Screw Assembly is optimally protected by the protective profile with steel or polyurethane sealing strip
  • Driven by backlash-free, pre-tensioned ball screw assembly in rolled design in accordance with DIN 69051 in the tolerance grade T5 or T7:
  • High traversing speeds thanks to large leads with simultaneously high precision over long lengths


Subject to change, status 2018-08-17 11:08:18