Skip to main content

Compact inverted roller screws


  • High load capacity, rigid axial and fast rotational speed
  • Exceptional sealing performance
  • Compact inverted screws and light weight
  • Reduced number of components in the overall customised design


  • Very small lead down to 2,4 mm
  • High rotational speed depending on inverted screw nominal diameter: N.d0 max = 160 000
  • Compactness, low weight with guiding and sealing functions integrated
  • Inverted screws available with axial play or backlash elimination

The compact inverted screws from Ewellix are a unique variety of the planetary roller screws. The design of its inverted screws provides a powerful electromechanical drive when compactness and high load capacity are required.
Compact inverted roller screws operate on the same principle as planetary roller screws, whereby the roller run is synchronised with the threaded spindle via gears. Inverted screws offer an excellent combination of high strength, low pitch and high dynamic performance. performance without any compromise. Contact us for more information about our inverted screws-


      up to 12 000 rad/s2

      Nominal diameter

      from 18 to 48 mm


      from 2,4 to 6 mm

      Basic dynamic load capacity

      up to 259 kN

      Basic static load capacity

      up to 559 kN

      Maximum speed n x d0

      160 000



      Inverted planetary rolling thread with axial play or without slack

      This product is a customised solution so 3D models are available only on request.
      Please contact us using <a href="/page-contacts">this form</a>
      IL-05003/5-EN-January 2023-Roller screws
      EL-04014-EN -October 2022 Linear solution for spot welding
      EL-02006-EN-January 2023-Full electric transition
      EL-03008/2-EN-February 2023 Linear technology for joining

      Need more
      Ask our experts.

      I agree to Ewellix Terms & Conditions and Privacy Policy