Page 556 - IGUS Bearing
P. 556

iglidur  F2                                                                                                                                                                                                              iglidur  F2
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         +120°C                                                                                                                                                                                                                   +120°C
          47MPa                                                                                                                                                                                                                   47MPa
                      Bearing technology | Plain bearings | iglidur  F2                                                             Technical data
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                                                                                                                                      General properties                                                    Testing method

                                                                                                                                    Density                                            g/cm³        1.52                       -40°C up to
          Ø                                                                                                                         Colour                                                         black                       +120°C
          5.0-20.0mm
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.2       DIN 53495
                                                                                                                                    Max. moisture absorption                         % weight       0.4
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.16-0.22                     47MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.31
          Also available
          as:                                                                                                                       Mechanical properties
                      ESD-compatible all-rounder:                                                                                   Flexural modulus                                    MPa        7,418      DIN 53457
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                                    93
                                                                                                                                                                                                              DIN 53452
                                                                                                                                                                                        MPa
                      Electrically conductive                                                                                       Compressive strength                                MPa         61
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         47
          round bar
          Page 743                                                                                                                  Shore D hardness                                                72        DIN 53505
                      iglidur  F2 helps to prevent the build-up of electrostatic charges. Good resistance to media and temperature,
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                      suitable even in wet conditions due to low moisture absorption and good universal coefficient of wear         Physical and thermal properties
                      pave the way for a wide range of applications.                                                                Max. application temperature long-term               °C        +120                         FOOD
                      ● 	Used to prevent electro-static charges                                                                     Max. application temperature short-term              °C        +165
                      ● 	Suitable for wet environments                                                                              Min. application temperature                         °C         -40
          Bar stock,   ● 	Lubrication-free                                                                                          Thermal conductivity                              W/m · K       0.61      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	Maintenance-free                                                                                           Coefficient of thermal expansion (at +23°C)       K  · 10        5        DIN 53752
                                                                                                                                    Electrical properties
                      Typical application areas                                                                                     Specific transitional resistance                    Ωcm        < 10 9     DIN IEC 93
                      ● 	Mechanical engineering                                                                                     Surface resistance                                   Ω         < 10 9     DIN 53482
                      ● 	Jig construction                                                                                           Table 01: Material properties
          tribo-tape liner  ● 	Industrial handling
          Page 781                                                                                                                  The prevention of electrostatic charge is an important   Resistance to weathering
                                                                                                                                    requirement in many application areas. At the same time   iglidur  F2 plain bearings are resistant to weathering. The
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                                                                                                                                    other technical application parameters such as wear   material properties are slightly affected. Discolouration
                                                                                                                                    resistance, media and temperature resistance, suitability   occurs.
                                                                                                                                    in a wet environment etc. cannot be neglected. iglidur  F2
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                                                                                                                                    with its wide range of properties constitutes another   Mechanical properties
          Guide rings
          Page 641                                                                                                                  universal bearing for numerous "ESD-suitable" applications.  With increasing temperatures, the compressive strength of
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                                                                                                                                                                                       iglidur  F2 plain bearings decreases. Diagram 02 shows
                       Descriptive technical specifications                                                                         Moisture absorption                                this inverse relationship. The maximum recommended
                       Wear resistance at +23°C                     –                       +                                       The moisture absorption of iglidur  F2 plain bearings in   surface pressure is a mechanical material parameter. No
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                                                                                                                                    ambient conditions is approximately 0.2% weight. The   conclusions regarding the tribological properties can be
                       Wear resistance at +90°C                     –                       +
                                                                                                                                    saturation limit submerged in water is 0.4% weight.  drawn from this.
          Two hole     Wear resistance at +150°C                    –                       +                                                                                          Diagram 03 shows the elastic deformation of iglidur  F2
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          flange
          bearings                                                                                                                  Vacuum                                             at radial loads. A plastic deformation can be negligible
          Page 667     Slide property                               –                       +
                                                                                                                                    In vacuum, any present moisture is released as vapour. Use   up to this value. However, it is also dependent on the
                       Wear resistance under water                  –                       +                                       in vacuum is only possible with dehumidified iglidur  F2    service time.
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                                                                                                                                    bearings.                                          Surface pressure, page 45
                       Media resistance                             –                       +

          Moulded      Resistant to edge pressures                  –                       +                                       Radiation resistance
          special parts                                                                                                             Plain bearings made from iglidur  F2 are resistant up to a
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          Page 696     Resistant to shock and impact loads          –                       +
                                                                                                                                    radiation intensity of 3 · 10² Gy.
                       Dirt resistance                              –                       +




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          554   3D-CAD, finder and service life calculation ... www.igus-asean.com/F2                                                                           Lubrication-free made easy ... from stock ... no minimum order quantity   555
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