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Roller screws


  • Most compact solution for high force linear motion
  • Best in class reliability and lifetime
  • Low operating noise, high speed, and acceleration capability
  • Easily customized design for easy integration


  • Planetary type for highest speed (N.d0 max = 160,000) and load capacity
  • Inverted planetary type for compactness, direct drive, and easy sealing
  • Recirculating type for highest resolution (down to 1 mm lead) and stiffness
  • Backlash-free or preloaded execution on request
A variety of industries use roller screws from Ewellix for their linear actuators and drive mechanisms. Our roller screws allow machine builders design the most compact, powerful, and reliable linear motion systems. Ewellix is a pioneer in this field and offers the market's largest range of high-performance roller screws.
Thanks to their high precision and rigidity, roller screws are the ideal choice for heavy loads, long duty cycles, high speeds, high accelerations, and harsh operating conditions. Please contact us for more information about our ball and roller screws product range!

Product overview

Planetary roller screws

  • Diameters from 8 up to 240 mm
  • Leads from 2 up to 50 mm
  • Dynamic load capacity up to 3 994 kN
  • No recirculation system enabling high acceleration and speed
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Compact inverted roller screws

  • Diameters from 18 up to 48 mm
  • Leads from 2,4 up to 6 mm
  • Dynamic load capacity up to 259kN
  • Very compact and light weight solution
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Recirculating roller screws

  • Nominal diameters from 8 to 125 mm
  • Standard leads from 1 mm to 5 mm
  • Dynamic load capacity up to 756 kN
  • Positioning accuracy with high repeatability
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