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Metal-Polymer Self-Lubricating Bearings

GGB DS Metal-Polymer Self-lubricating special bush
GGB DS Self-lubricating special bearing in metal polymer with sliding layer
GGB DS Self-lubricating metal-polymer thrust washer
GGB DS Self-lubricating metal-polymer special curved
GGB DS Self-lubricating sliding plates in metal-polymer composite material

Product's benefits

  • Chemical Resistance
    Chemical Resistant
  • Suitable for Continuous Sliding Rotation
    Suitable for Continuous Sliding, Rotating and Oscillating Movement
  • Simply Assembly
    Simple assembly
  • Reduced System Cost
    Reduced System Cost
  • Quiet Operation
    Quiet Operation
  • Lubricated Operation
    Lubricated operation
  • Increased Wear Resistance
    Increased Wear Resistance
  • Extended Service Life
    Extended service life


  • Self-lubricating bushings for operation in mixed film lubrication conditions
  • Sliding layer is machinable (ca. 0.4 mm above bronze sinter layer)
  • Resistant to fretting corrosion damage to the shaft under low amplitude oscillating movements
  • Similar in performance to DX® but with lower friction

Bearing forms made to order: cylindrical bushes, thrust washers, sliding plates, half-bearings, special shapes obtained by stamping, customized bearing designs

GGB DS - Metal-Polymer Self-Lubricating Bearing Material

Operating performance

Dry Operation Good
Lubricated Operation Very Good
Greased Operation Very Good
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Not Available
Application Excellence


  • Metal-Polymer Composite Bushing Material 
  • Steel back + Porous  Bronze Sinter + POM (modified)

Technical specifications

  • General

    Maximum load, p
    - Static 110 16 000 N/mm2 psi
    - Dynamic 45 6 500 N/mm2 psi
    Operating Temperature
    - Min -60 -80 °C °F
    - Max 130 270 °C °F
    Maximum sliding speed, U 1.5 300 m/s fpm
    Maximum pU factor 1.4 40 000 N/mm² x m/s psi x fpm
    Coefficient of friction 0.15-0.30 0.15-0.30
    Grease Lubricated
    Maximum sliding speed, U 2.5 500 m/s fpm
    Maximum pU factor 2.8 80 000 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.05-0.10 0.05-0.10
    Oil Lubricated
    Maximum sliding speed, U 10.0 2 000 m/s m/s
    Maximum pU factor 10.0 286 000 N/mm² x m/s MPa x m/s
    Coefficient of friction, f 0.03 - 0.08 0.03 - 0.08
    Shaft surface roughness, Ra
    Shaft surface hardness
    - Normal > 200 > 200 HB HB
    - For longer service life > 350 >350 HB HB
    For Superior Performance Value
    Water Lubricated HPM / HPF / DP4-B
    Process Fluid Lubricated DP4 / GAR-FIL / HI-EX
    * Depending on operating conditions

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