EC5 Series

The EC5 Series provides our most robust line of electric cylinders for very heavy thrust loads. Precision-rolled ball screw types yield quiet operation, low backlash and high accuracy, with a selection of motor-to-screw reduction types. Exceptionally durable bearing and drive housings are available with optional environmental features to resist moisture and contaminants. The special design minimizes the need for routine maintenance.

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Companion Products

  • AKD

    We designed our next-generation AKD® Series with the versatility, communications, power an... Learn More >>

  • P7000 Series
    P7000 Series

    Kollmorgen's P7000 stepper drives provide you servo-like system performance with the cost ... Learn More >>

  • AKM Series
    AKM Series

    Our best-in-class, high-performance servomotors offer a wide range of mounting, connectivi... Learn More >>


 Motors available for use with the EC5 Series include:

  • KollmorgenT41T/V Series hybrid stepper motor (P7000 drive recommended)
  • Kollmorgen AKM42E, 42G, 52G, 52L and 52H Series AKM™ brushless servo motors
  • NEMA 34 and 42 custom motor mounts



  • Max stroke length: 1,500 mm (59 in)
  • Max thrust of 25,000 N (5,620 lbf)
  • Ball screw driven with 10, 32 mm leads
  • Stepper, brushless servo and custom motor options
  • Bearing/drive housing: 6063-T6 aluminum, anodized
  • Mounting plates: 6061-T6 aluminum, cast aluminum plate, anodized
  • Thrust bearings: angular contact, high thrust ball bearings
  • Belt/pulley: AT-5, polyurethane with steel tensile cords
  • Guide cylinder: 6063-T6 aluminum, hard-anodized
  • Thrust tube: 300 series stainless steel, 1/4 hard and ground
  • Ball screw and nut: heat-treated carbon steel alloy
  • Helical gearing: alloy steel, case-hardened



  • Standard or custom lengths to 1 mm
  • Motor or screw brakes
  • Threaded, spherical or clevis rod ends
  • Environmental protective boot
  • Timing belt, helical gear and inline direct transmission
  • Flange, clevis, side and trunnion cylinder mounting types
  • Magnetic home and limit sensors
  • Linear potentiometer output



Ball Screw Version

Max. Stroke Length, mm (in)

1500 (59.06)

Screw Lead, mm

32, 10 mm

Screw Diameter, mm


Unit Backlash, mm (in)

0.30 (0.12)

Dimensional Standard

Metric ISO6431 Std.

Bore Size, mm


Motor Mount

parallel or inline


Travel life standards of 25.4 km (1,000,000 in)

Max. Thrust Force, N (lbf)

25,000 (5620)

Max. Velocity, m/s (in/s)

1.33 (52.5)

Max. Rated Duty Cycle


Std. Operating Temp Range, °C (°F)

-30 to +70 (-22 to +158)


IP54 Std. IP65 Opt.



EC Series User Manual_en-US_rev1EC Series User Manual_en-US_rev16.7 MB4/26/2017Email

3D Models and Outline/Dimension Drawings

EC5EC5 Email

3D Interactive Models

EC5 Series 3D Interactive ModelsEC5 Series 3D Interactive Models76 KB8/14/2013Email
US Production