RDD-Series Direct Drive Servo Motors

Bulletin RDD-Series™ Servo Motors connect directly to the load, eliminating the need for gearboxes, timing belts, pulleys and other mechanical components. The result is reduced energy consumption, faster settling times and better overall control of the load.

RDD-Series Direct Drive Servo Motors
  • Overview
  • Product Selection
  • Specifications
  • Software
  • Documentation
  • Resources
  • Applications


  • Delivers high torque at low speeds to match application needs
  • Bearingless-housed configuration for applications where the load is already supported by its own bearings
  • Continuous torque range of 5…426 Nm (44…3770 lb-in.)
  • Simplified mechanics and reduced part count decreases downtime and maintenance
  • Seamless integration with our Integrated Architecture solution with a single environment for programming, control and data collection
  • Heidenhain high-resolution absolute encoders, single- and multi-turn options
  • Windings optimized for use with our Kinetix servo drives
  • Environmental protection to IP65

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.


Kinetix Rotary Motion Specifications Technical DataKNX-TD001


  • CE marked
  • CSA
  • C-Tick
  • UL recognized

Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.


Use RSLogix 5000 programming software from Rockwell Software® to program your RDD-Series Direct Drive Servo Motor.

Learn More

Additional software products are available from Rockwell Software.


Integrated Architecture BrochureIA-BR005
Kinetix Motion Control Selection GuideKNX-SG001
Rotary Direct Drive Bearingless Motors Installation InstructionsRDB-IN002
More RDD-Series Servo Drive publications in Literature LibraryAll Languages

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Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

  • CrossWorks — Convert competitive catalog numbers to similar Allen-Bradley products.
  • ProposalWorks — Convert Build complete quotes and proposals.

Other Resources

  • Kinetix Accelerator Toolkit — Simplify the design, manufacturing, and start-up of motion control systems.
  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.


Typical applications for our RDD-Series™ Servo Motors include:

  • Axes with high-power and high-performance requirements
  • Replace mechanical gear reduction (gear boxes, belts, pulleys)
  • Tight space constraints

Motion Control Case Studies — View our case studies site to discover how customers have applied Allen-Bradley Motion Control products in their applications.