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EP®44

Self-Lubricating Engineered Plastic Bearing
GGB EP44 Self-lubricating polymer plain bearing with Carbon fibres and PTFE
GGB EP44 Self-lubricating polymer flanged bearings with Carbon fibres and PTFE
GGB EP44 Self-lubricating polymer special bearing
GGB EP44 Self-lubricating polymer thrust washer with Carbon fibres and PTFE
GGB EP44 polymer special shape bearing with unlimited dimensions and design features

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

  • 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 for high temperature applications
  • Very good weight performance ratio
  • Within injection moulding tool feasibility unlimited dimensions and design features
  • Compliant to ELV, WEEE and RoHS specifications
 
AVAILABILITY

EP44 Bearing forms made to order: cylindrical bushings, flanged bearings, thrust washers, sliding plates, half-bearings, customized bearing designs

Operating performance

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EP®44
Dry Operation Good
Lubricated Operation Very Good
Greased Operation Very Good
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Not Available
Application Excellence
EP®43
Very Good
Good
Good
Applicable
Compliant
Available

Composition

Thermoplastic Compound Material 

PPS + Solid Lubricant + Fillers

Market applications

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 95 14 000 N/mm2 psi
    - Dynamic N/mm2 psi
    Operating Temperature
    - Min -40 -40 °C °F
    - Max 240 460 °C °F
    Coefficient of Linear Thermal Expansion 27 15 10-⁶/K 10-⁶/F
    Dry
    Maximum sliding speed, U 1.0 200 m/s fpm
    Maximum pU factor
    - for AH/AC = 5 0.11 3 100 N/mm² x m/s psi x fpm
    - for AH/AC = 10 0.42 12 000 N/mm² x m/s psi x fpm
    - for AH/AC = 20 1.69 48 300 N/mm² x m/s psi x fpm
    Coefficient of friction, f 0.16-0.26 0.16-0.26
    Recommendations
    Shaft surface roughness, Ra 0.2-0.8 8-32 µm µin
    Shaft surface hardness > 450 > 450 HV HV

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