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EP®73

Self-Lubricating Engineered Plastic Bearings
GGB EP73 Self-lubricating thermoplastic special flanged bearings
GGB EP73 Self-lubricating thermoplastic special shift piece
GGB EP73 Self-lubricating thermoplastic special shape bearing
GGB EP73 Self-lubricating thermoplastic thrust washer
GGB EP73 Self-lubricating thermoplastic special bearing

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
  • Material operates well in dry environment
    Dry operation

Characteristics

  • Good bearing performance in dry working conditions
  • Good bearing performance in lubricated or marginally lubricated applications
  • Corrosion resistant in humid/saline environments
  • Very good 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

EP73 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®73
Dry Operation Good
Lubricated Operation Good
Greased Operation Good
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Not Available
Application Excellence
EP®63
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

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 105 15 000 N/mm2 psi
    - Dynamic N/mm2 psi
    Operating Temperature
    - Min -200 -330 °C °F
    - Max 260 500 °C °F
    Coefficient of Linear Thermal Expansion 25 14 10-⁶/K 10-⁶/F
    Dry
    Maximum sliding speed, U 2.5 500 m/s fpm
    Maximum pU factor
    - for AH/AC = 5 0.1 2 800 N/mm² x m/s psi x fpm
    - for AH/AC = 10 0.39 11 100 N/mm² x m/s psi x fpm
    - for AH/AC = 20 1.57 44 900 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.19-0.31 0.19-0.31
    Maximum sliding speed, U 5.0 1 000 m/s fpm
    Recommendations
    Shaft surface roughness, Ra 0.2-0.8 8-32 μm µin
    Shaft surface hardness >200 >200 HV HV
    For Superior Performance Value
    Water Lubricated EP®64
    Dry EP®73

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