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High Precision Fiber Reinforced Composite Bearing
GGB HPMB self-lubricating filament wound cylindrical bushings
GGB HPMB self-lubricating high precision fibe reinforced composite bearings

Product's benefits

  • 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 is resistant to shock loads
    Resistant to Shock Loads
  • 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


  • Machinable inner and outer diameters for superior application precision, circularity and cylindricity tolerances
  • Pre-machined high precision HPMB bearings available for immediate installation
  • High precision through easy single point machining of the bearing liner, on-site prior to installation
  • Superior precision achieved with post-installation (inner diameter tolerance IT7 attainable) single point machining of the bearing liner
  • High load capacity
  • Excellent shock and edge loading capacity
  • Low friction with negligible stick-slip
  • Low wear rate for extended bearing life
  • Excellent corrosion resistance
  • Dimensionally stable - very low water absorption, low swelling
  • Environmentally friendly grease-free operation

Bearing forms made to order: finished cylindrical bushings, pre-machined cylindrical bushings, flanged cylindrical bushings (subject to design review)

Structure & Composition


  • Fiber and Epoxy Resin Composite Material 
  • Machinable liner composed of continuously wound PTFE and high-strength self-lubricating fibers and high temperature epoxy resin + continuous wound fiberglass backing encapsulated in a high temperature epoxy resin


HPMB Precision Fiber Reinforced Composite Bearings | GGB Videos

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