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EP®

Self-Lubricating Engineered Plastic Bearing
GGB EP self-lubricating engineered plastic plain bearings
GGB EP self-lubricating engineered plastic flanged bearings
Self-Lubricating Engineered plastic thrust washers
GGB EP self-lubricating engineered plastics special shape bush

Product's benefits

  • One Piece Compact design
    One Piece Compact Design
  • Material allows for simple assembly
    Simple assembly
  • 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 price performance ratio
  • Very good weight performance ratio
  • Within injection moulding tool feasibility unlimited dimensions and design features
  • Compliant to ELV, WEEE and RoHS specifications
 
AVAILABILITY

Bearing forms available in standard dimensions

  • Plain cylindrical bushes
  • Plain flanged bushes

Bearing forms made to order: standard forms in special dimensions, thrust washers, half-bearings, sliding plates, customized bearing designs

 

Operating performance

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EP®
Dry Operation Good
Lubricated Operation Good
Greased Operation Good
Machineable Applicable
RoHS Compliant Compliant
Standard Sizes Available
Application Excellence
EP®22
Very Good
Good
Good
Applicable
Compliant
Available
EP®12
Very Good
Good
Good
Applicable
Compliant
Not Available

Composition

Thermoplastic compound material

PA6.6T + Solid Lubricant + Fillers

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 80 12 000 N/mm2 psi
    - Dynamic 40 6 000 N/mm2 psi
    Operating Temperature
    - Min -40 -40 °C °F
    - Max 140 280 °C °F
    Coefficient of Linear Thermal Expansion 22 12 10-⁶/K 10-⁶/F
    Color Black Black
    Dry
    Maximum sliding speed, U 1.0 200 m/s fpm
    Maximum pU factor
    - for AH/AC = 5 0.06 1 700 N/mm² x m/s psi x fpm
    - for AH/AC = 10 0.24 6 800 N/mm² x m/s psi x fpm
    - for AH/AC = 20 1.0 28 600 N/mm² x m/s psi x fpm
    - Coefficient of friction, f 0.15-0.30 0.15-0.30
    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 EP22

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