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EP®79

Self-Lubricating Engineered Plastic Bearing
GGB EP79 engineered plastic cylindrical bearings with low thermal expansion
GGB EP79 engineered plastic flanged bearings with low thermal expansion
GGB EP79 engineered plastic special flanged bushing with low thermal expansion
GGB EP79Engineered plastic thrust washer with low thermal expansion

Product's benefits

  • Product Material resists Chemicals
    Chemical Resistant
  • One Piece Compact design
    One Piece Compact Design
  • Materials reduces size and weight
    Reduce size/weight
  • Material helps reduce noise
    Reduce noise
  • Material offers a low weight solution
    Low Weight
  • Material helps extend application's service life
    Extended service life
  • Material operates well in corrosive environments
    Eliminate corrosion

Characteristics

  • Excellent flow erosion and cavitation resistance
  • Excellent bearing performance in fully lubricated applications
  • Corrosion resistant in humid/saline environments
  • Excellent dimensional stability
  • Very good weight performance ratio
  • Within injection moulding tool feasibility unlimited dimensions and design features
  • Compliant to ELV, WEEE and RoHS specifications
 
AVAILABILITY

EP79 Bearing forms made to order: cylindrical bushings, flanged bearings, thrust washers, sliding plates, half-bearings, customized bearing designs

Operating performance

Choose the product I want to compare
EP®79
Dry Operation Not Recommended
Lubricated Operation Very Good
Greased Operation Very Good
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Not Available
Application Excellence
EP®73
Good
Good
Good
Applicable
Compliant
Not Available
EP®64
Good
Very Good
Very Good
Applicable
Compliant
Not Available

Composition

Thermoplastic Compound Material 

PAI + Solid Lubricant + Fillers

Market applications

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 130 19 000 N/mm2 psi
    - Dynamic N/mm2 psi
    Operating Temperature
    - Min -200 -330 °C °F
    - Max 260 500 °C °F
    Coefficient of Linear Thermal Expansion 9 5 10-⁶/K 10-⁶/F
    Maximum sliding speed, U 10 2 000 m/s fpm
    Maximum pU factor 10 286 000 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.005-0.1 0.005-0.1
    Recommendations
    Shaft surface roughness, Ra 0.2-0.8 8-32 μm µin
    Shaft surface hardness >500 >500 HV HV
    For Superior Performance Value

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