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HPF®

Fiber Reinforced Composite Bearings with PTFE Tape Liner
GGB HPF filament wound thrust washers and thrust bearings
GGB HPF filament wound bearing segment with PTFE
GGB HPF filament wound sliding plates with PTFE
GGB HPF Filament wound sliding plates for hydropower applications
GGB HPF fiber reinforced composite plain bearings 

Product's benefits

  • One Piece Compact design
    One Piece Compact Design
  • Material is suitable for continuous sliding, rotating and oscillating movement
    Suitable for Continuous Sliding, Rotating and Oscillating Movement
  • Material allows for simple assembly
    Simple assembly
  • Material eliminates/reduces maintenance
    Maintenance Free Operation
  • Material performs well under lubricated operation
    Lubricated operation
  • Material withstands high loads
    High Load Capacity
  • Material helps extend application's service life
    Extended service life
  • Material operates well in dry environment
    Dry operation

Characteristics

  • Proprietary filled PTFE tape machinable liner
  • Designed for hydropower applications
  • Machinable bearing surface
  • High load capacity
  • Excellent shock and edge loading capacity
  • Low friction, superior wear rate and bearing life
  • Excellent corrosion resistance
  • Dimensionally stable - very low water absorption, low swelling
  • Environmentally friendly
  • Tested by Powertech Test to evaluate performance of self-lubricated bushings in wicket gate applications
AVAILABILITY

Bearing forms available in standard dimensions

  • Plain cylindrical bushes
  • Sliding plates

Bearing forms made to order: cylindrical bushes with non-standard dimensions, customized bearing designs

Brochure
GGB FRC Range - Fiber Reinforced Composite Bearings - High Load Self-Lubricating Bearings
Datasheet
GGB HPF - Fiber Reinforced Composite Bearing Material with PTFE Tape Liner

Operating performance

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HPF®
Dry Operation Very Good
Lubricated Operation Very Good
Greased Operation Poor
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Not Available
Application Excellence
HPMB®
Very Good
Fair
Not Recommended
Applicable
Compliant
Not-applicable
HPM
Very Good
Fair
Poor
Applicable
Compliant
Not Available
GAR-FIL
Very Good
Very Good
Fair
Applicable
Compliant
Available

Composition

Composite Material 

Proprietary filled PTFE tape liner with
0.38 mm standard thickness (0.76 mm available on request for machining) + continuous wound fiberglass encapsulated in a high temperature epoxy resin

Market applications

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 140 20 000 N/mm2 psi
    - Dynamic 140 20 000 N/mm2 psi
    Operating Temperature
    - Min -195 -320 °C °F
    - Max 140 285 °C °F
    Ultimate Compressive Strength 379 55 000 N/mm² psi
    Dry
    Maximum sliding speed, U 2.5 500 m/s fpm
    Maximum pU factor 1.23 35 000 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.02-0.10* 0.02-0.10* μ μ
    Grease Lubricated
    Coefficient of friction, f 0.02-0.08* 0.02-0.08*
    Recommendations
    Shaft surface roughness, Ra
    Shaft surface hardness
    - Normal >180 >180 HB HB
    - For longer service life >480 >480 HB HB
    For Superior Performance Value
    Grease Lubricated DX/DX10
    * Depending on operating conditions

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