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HSG

High-Load Fiber Reinforced Composite PTFE Bearings
GGB HSG Fiber reinforced composite plain bearings with PTFE
GGB HSG Self-lubricating cylindrical bearing
GGB HSG High-load fiber reinforced composite flanged bushing
GGB HSG Fiber reinforced composite high-load special bushing

Product's benefits

  • Material allows for simple assembly
    Simple assembly
  • Material is resistant to shock loads
    Resistant to Shock Loads
  • Material eliminates/reduces maintenance
    Maintenance Free Operation
  • Material allows for compact design
    Common to One Piece Compact Design
  • 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

  • Self-lubricating plain bearing material
  • High static load capacity (twice as much as standard GAR-MAX® bearings)
  • Excellent shock and misalignment resistance
  • Excellent contamination resistance
  • Very good friction and wear properties
  • Good chemical resistance
  • Tested acc. to ASTM E595/ECSS-Q-ST-70-02C - Outgassing properties of materials used in Spacecraft equipment

 

AVAILABILITY

Bearing forms available in standard dimensions

  • Plain cylindrical bushes

Bearing forms made to order: cylindrical bushes with non-standard lengths and wall thickness, flanged bearings, hexagonal and square bores, liner on outer diameter, customized bearing designs

Brochure
GGB FRC Range - Fiber Reinforced Composite Bearings - High Load Self-Lubricating Bearings
Datasheet
GGB HSG - High-Load Fiber Reinforced Composite PTFE Bearing Material

Operating performance

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HSG
Dry Operation Very Good
Lubricated Operation Fair
Greased Operation Fair
Machinable Consult with Applications Engineer
RoHS Compliant Compliant
Standard Sizes Available
Application Excellence
GAR-MAX®
Very Good
Fair
Fair
Consult with Applications Engineer
Compliant
Available
GAR-FIL
Very Good
Very Good
Fair
Applicable
Compliant
Available
MLG
Very Good
Good
Poor
Consult with Applications Engineer
Compliant
Available
HPMB®
Very Good
Fair
Not Recommended
Applicable
Compliant
Not-applicable

Composition

Fiber and Epoxy Resin Composite Bearing Material 

Continuously wound PTFE and high-strength fibers encapsulated in an internally lubricated, high temperature filled epoxy resin sliding layer + continuous wound fiberglass encapsulated in a high temperature epoxy resin, designed for high load capacity

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 415 60 000 N/mm2 psi
    - Dynamic 140 20 000 N/mm2 psi
    Operating Temperature
    - Min -195 -320 °C °F
    - Max 160 320 °C °F
    Dry
    Maximum sliding speed, U 0.13 25 m/s fpm
    Maximum pU factor 1.05 30,000 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.05-0.30* 0.05-0.30* μ μ
    Recommendations
    Shaft surface roughness, Ra 0.15-0.40 6-16 µm µin
    Shaft surface hardness
    - Normal > 350 > 350 HB HB
    - For longer service life > 480 > 480 HB HB
    For Superior Performance Value
    Oil Lubricated GAR-FIL
    Grease Lubricated DX/DX10
    Process Fluid Lubricated GAR-FIL

* Depending on operating conditions

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