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EP®22

Self-Lubricating Engineered Plastic Bushing
GGB EP22 high performance engineered plastic special clip cover
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GGB EP22 engineered plastic special clip piece

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 bushing performance in dry working conditions.
  • Very good bushing 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

Operating performance

Choose the product I want to compare
EP®22
Dry Operation Very Good
Lubricated Operation Good
Greased Operation Good
Machinable Applicable
RoHS Compliant Compliant
Standard Sizes Available
Application Excellence
EP®30
Very Good
Good
Good
Applicable
Compliant
Not Available
EP®12
Very Good
Good
Good
Applicable
Compliant
Not Available

Composition

Engineered Plastic Bushing Material

PBT + Solid Lubricant

Market applications

Technical specifications

  • General

    BEARING PROPERTIES Value Unit
    Maximum load, p
    - Static 50 7 000 N/mm2 psi
    - Dynamic N/mm2 psi
    Operating Temperature
    - Min -50 -60 °C °F
    - Max 170 340 °C °F
    Coefficient of Linear Thermal Expansion 90 50 10-⁶/K 10-⁶/F
    Dry
    Maximum sliding speed, U 1.0 200 m/s fpm
    Maximum pU factor
    - for AH/AC = 5 0.05 1 400 N/mm² x m/s psi x fpm
    - for AH/AC = 10 0.10 2 800 N/mm² x m/s psi x fpm
    - for AH/AC = 20 0.2 5 700 N/mm² x m/s psi x fpm
    - Coefficient of friction, f 0.22-0.37 0.22-0.37
    Recommendations
    Shaft surface roughness, Ra 0.1-0.5 4-20 µm µin
    Shaft surface hardness > 200 > 200 HV HV
    Color White White

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