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Metal-Polymer Anti-Friction Plain Bearings
DU self-lubricating bearings available as special form
GGB DU Metal-Polymer Dry Running Special Cylindrical Bushings
DU self-lubricating flange bearings with special format
GGB DU Self-lubricating special shell bearing
GGB DU Metal-Polymer Dry Running Bearing with Special Grooves

Product's benefits

  • Material allows for simple assembly
    Simple assembly
  • Material helps reduce total system cost
    Reduced System Cost
  • Materials reduces size and weight
    Reduce size/weight
  • Materials offer quiet operation
    Quiet Operation
  • Material eliminates/reduces maintenance
    Maintenance Free Operation
  • Material operates well in dry environment
    Dry operation
  • Material provides dimensional stability
    Dimensional Stability


  • DU® self-lubricating bushings offer very good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions
  • Bushing material suitable for lubricated applications
  • Anti-friction bearing suitable for linear, oscillating and rotating movements
  • Approved to standard FAR 25.853 and FAR 25.855 - Federal Aviation Regulations – making it suitable for interior aircraft applications 

Bearing forms available in standard dimensions

  • Cylindrical bushes
  • Flanged bushes
  • Thrust washers
  • Flanged washers
  • Sliding plates

Metric bearings and imperial bushings made to order: standard bushing forms in special dimensions, half-bushings, special shapes obtained by stamping or deep drawing, customized bushing designs.

GGB retains the exclusive rights to market metal-polymer bearings designated DU® and DX®, which are protected under international trademark laws. Only GGB and its global network of distributors are authorized to market these products as such, so beware of counterfeits which are not produced to GGB´s exacting standards of quality and performance.


Metal-Polymer Composite Self-lubricating Bushing Material

Steel Back + Porous Bronze Sinter + PTFE + Lead

* Depending on operating conditions 

DU® Case Study

GGB PTFE plain bearings on mars thanks to their durable nature

GGB Bearings Go to Mars

GGB is helping NASA’s Curiosity rover to explore the surface…

Client Testimonials

GGB PTFE plain bearings are mounted on curiosity, the mars rover developed by NASA

Curiosity, The Mars Rover

Bearing Application for Curiosity - Mars Rover

hand winch ggb

Lever Block

Bearing Application for Hand Winch

GGB DU friction plain bearings selected by BESTEC GmbH for vacuum system cover applications

Vacuum System Cover

Bearing Application for Vacuum Technology

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