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EP®22
Self-Lubricating Engineered Plastic Bushing

GGB EP22 high performance engineered plastic special clip cover
GGB EP22 high performance engineered plastic special plain bushing
GGB EP22 engineered plastic special part with features
GGB EP22 engineered plastic demountable special roller
GGB EP22 engineered plastic special clip piece

Product's benefits

  • One Piece Compact Design
    One Piece Compact Design
  • Simply Assembly
    Simple assembly
  • Reduce Size and Weight
    Reduce size/weight
  • Reduce Noise
    Reduce noise
  • Low Weight
    Low Weight
  • Extended Service Life
    Extended service life
  • Eliminate Corrosion
    Eliminate corrosion
  • Dry Operation
    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
Datasheet
GGB EP22 - Engineered Plastic Bearing Material
Brochure
GGB EP® Range - Engineered Plastics Bearings - Performance in all Shapes

Operating performance

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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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