Synchronous Servo Motors


Synchronous Servo Motors

With the EZ synchronous servo motor, STOBER is offering brushless, permanent magnet and electronically commutated motors with different power profiles. The stator and rotor components have an optimized design in relation to energy for extremely low torque ripple and a high power density in various forms.

Our synchron servo motors deliver exceptional performance no matter what the application. Customers across the aerospace, automotive, material handling and other industries value them for their compact design, dynamic capabilities and versatility. These compact servo motors feature a shaft for easy connections.

Perhaps best of all, STOBER’s ability to design customized solutions means we have the skill to develop the ideal motor for your needs even if our stock units don’t quite fit. We’re committed to finding new ways to solve your problems, and we’re ready to meet the challenge no matter what you may be facing.


The EZ series utilizes a shaft for connecting.

It is extremely compact and dynamic, providing measurably better performance.

synchronous servo motors


Power Density:
Price Range:
$ $ $ $ $
  • Stall torque: .95 – 94
  • Nominal torque: .89 – 77.2 Nm
  • Nominal Speed: Up to 6,000 RPM

Find your right fit!

right angle geared motor


  • STOBER geared motor are fully supported with the drive manufacturers listed below. They are compatible with EnDat, Hiperface DSL, and Resolver.*
    • Beckhoff
    • Bosch
    • B&R
    • Control Techniques
    • Kollmorgen
    • Rockwell
    • Siemens

    * Note: Not all options are available for every drive.

  • Brakes:
    • Holding brake – ideal for vertical applications or maintaining position
  • IP Ratings:
    • 65 – standard
    • 56
    • 66
  • Encoders:
    • Hiperface DSL (Rockwell)
    • EnDat
      • Single-turn
      • Multi-turn
      • Optical
      • Inductive
      • 2.1
      • 2.2
    • Resolver
  • Fan:
    • Increase torque and cool system without upsizing to larger motor
PK_EZ features
sdiLogo downloads
The document you are looking for is not listed? Hint: Select "all languages".
Synchronous Servo Motors EZ DimensionsSynchronous Servo Motors EZ Dimensions 124424372023 09EN2.23 MB
Servo Geared Motors PHQK DimensionsServo Geared Motors PHQK Dimensions 124424372023 09EN945.83 KB
Servo Geared Motors C RatingsServo Geared Motors C Ratings 124424372023 09EN1.77 MB
Servo Geared Motors PE RatingsServo Geared Motors PE Ratings 124424372023 09EN371.29 KB
Servo Geared Motors PE DimensionsServo Geared Motors PE Dimensions 124424372023 09EN460.39 KB
Servo Geared Motors C DimensionsServo Geared Motors C Dimensions 124424372023 09EN933.23 KB
Servo Geared Motors PHQ RatingsServo Geared Motors PHQ Ratings 124424372023 09EN556.12 KB
Servo Geared Motors PHQ DimensionsServo Geared Motors PHQ Dimensions 124424372023 09EN756.68 KB
Servo Geared Motors PH RatingsServo Geared Motors PH Ratings 124424372023 09EN635.37 KB
Servo Geared Motors PH DimensionsServo Geared Motors PH Dimensions 124424372023 09EN616.12 KB
Servo Geared Motors P RatingsServo Geared Motors P Ratings 124424372023 09EN832.37 KB
Servo Geared Motors P DimensionsServo Geared Motors P Dimensions 124424372023 09EN680.61 KB
Servo Geared Motors KL RatingsServo Geared Motors KL Ratings 124424372023 09EN242.96 KB
Synchronous Servo Motors EZ RatingsSynchronous Servo Motors EZ Ratings 124424372023 09EN2.22 MB
Servo Geared Motors PHQK RatingsServo Geared Motors PHQK Ratings 124424372023 09EN850.87 KB
Servo Geared Motors KL DimensionsServo Geared Motors KL Dimensions 124424372023 09EN1.30 MB
Servo Geared Motors PHK RatingsServo Geared Motors PHK Ratings 124424372023 09EN990.39 KB
Servo Geared Motors KS RatingsServo Geared Motors KS Ratings 124424372023 09EN411.17 KB
Servo Geared Motors K DimensionsServo Geared Motors K Dimensions 124424372023 09EN2.95 MB
Servo Geared Motors K RatingsServo Geared Motors K Ratings 124424372023 09EN1.56 MB
Servo Geared Motors F DimensionsServo Geared Motors F Dimensions 124424372023 09EN1.46 MB
Servo Geared Motors PHK DimensionsServo Geared Motors PHK Dimensions 124424372023 09EN781.89 KB
Servo Geared Motors KS DimensionsServo Geared Motors KS Dimensions 124424372023 09EN1023.97 KB
Servo Geared Motors F RatingsServo Geared Motors F Ratings 124424372023 09EN802.07 KB
Servo Geared Motors PKX DimensionsServo Geared Motors PKX Dimensions 124424372023 09EN804.26 KB
Servo Geared Motors PKX RatingsServo Geared Motors PKX Ratings 124424372023 09EN1018.05 KB
Servo Geared Motors PK DimensionsServo Geared Motors PK Dimensions 124424372023 09EN781.12 KB
Servo Geared Motors PK RatingsServo Geared Motors PK Ratings 124424372023 09EN1.00 MB
Servo Geared Motors PHKX DimensionsServo Geared Motors PHKX Dimensions 124424372023 09EN758.23 KB
Servo Geared Motors PHKX RatingsServo Geared Motors PHKX Ratings 124424372023 09EN993.96 KB
Synchronous Servo Motors EZHD DimensionsSynchronous Servo Motors EZHD Dimensions 114424372022 05EN2.00 MB
Synchronous Servo Motors EZHD RatingsSynchronous Servo Motors EZHD Ratings 114424372022 05EN486.39 KB
Synchronous Servo Motors EZM DimensionsSynchronous Servo Motors EZM Dimensions 114424372022 05EN669.43 KB
Synchronous Servo Motors EZM RatingsSynchronous Servo Motors EZM Ratings 114424372022 05EN372.90 KB
Synchronous Servo Motors EZS DimensionsSynchronous Servo Motors EZS Dimensions 114424372022 05EN847.78 KB
Synchronous Servo Motors EZS RatingsSynchronous Servo Motors EZS Ratings 114424372022 05EN1.68 MB
The document you are looking for is not listed? Hint: Select "all languages".
Commissioning instruction EZ motors on B&R drive controllersCommissioning instruction EZ motors on B&R drive controllers 014431842023 04EN1.70 MB
Data Sheet EZ301Data Sheet EZ301 14442832021 09EN373.89 KB
Data Sheet EZ302Data Sheet EZ302 14428312021 09EN387.03 KB
Data Sheet EZ303Data Sheet EZ303 14428322021 09EN387.91 KB
Data Sheet EZ401Data Sheet EZ401 14428332021 09EN566.16 KB
Data Sheet EZ402Data Sheet EZ402 14428342021 09EN561.14 KB
Data Sheet EZ404Data Sheet EZ404 14428352021 09EN560.45 KB
Data Sheet EZ501Data Sheet EZ501 14428362021 09EN564.90 KB
Data Sheet EZ502Data Sheet EZ502 14428372021 09EN560.37 KB
Data Sheet EZ503Data Sheet EZ503 14428382021 09EN560.03 KB
Data Sheet EZ505Data Sheet EZ505 14428392021 09EN558.53 KB
Data Sheet EZ702Data Sheet EZ702 14428412021 09EN560.81 KB
Data Sheet EZ701Data Sheet EZ701 14428402021 09EN560.03 KB
Data Sheet EZ703Data Sheet EZ703 14428422021 09EN558.85 KB
Data Sheet EZ705Data Sheet EZ705 14428432021 09EN558.41 KB
Data Sheet EZ802Data Sheet EZ802 14428442021 09EN557.15 KB
Data Sheet EZ803Data Sheet EZ803 14428452021 09EN547.29 KB
Data Sheet EZ805Data Sheet EZ805 14428462021 09EN547.36 KB
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Why STOBER is Your Ideal Partner

We’re known as the world’s toughest gearbox manufacturer, and that’s a reputation we strive to live up to every day. We’ve been serving the marketplace for more than 85 years, and in that time, we’ve demonstrated an unwavering dedication to providing our customers with the highest-quality drive systems and exceptional service in every regard.
To learn more about our permanent magnet servo motors, brushless servo motors and everything else we have to offer, reach out and talk to one of our helpful representatives today. We’re ready and standing by to provide you with the perfect solution for your needs.

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