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iglidur  Q                                                                                                                                                                                                              iglidur  Q
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         +135°C                                                                                                                                                                                                                   +135°C
         100MPa                                                                                                                                                                                                                   100MPa
                      Bearing technology | Plain bearings | iglidur  Q                                                              Technical data
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                                                                                                                                    General properties                                                      Testing method

                                                                                                                                    Density                                            g/cm³        1.40                       -40°C up to
          Ø                                                                                                                         Colour                                                         black                       +135°C
          6.0-90.0mm
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.9       DIN 53495
                                                                                                                                    Max. moisture absorption                         % weight       4.9
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.05-0.15                     100MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.55
          Also available
          as:                                                                                                                       Mechanical properties
                      The peak of stability                                                                                         Flexural modulus                                    MPa        4,500      DIN 53457
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                        MPa
                                                                                                                                                                                                              DIN 53452
                                                                                                                                                                                                    120
                      Long service life at medium to high loads                                                                     Compressive strength                                MPa         89
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         100
          round bar
          Page 743                                                                                                                  Shore D hardness                                                83        DIN 53505
                      iglidur  Q is the cost-effective solution for heavy-duty cycles with extreme loads. Plain bearings made from
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                      this material can be used in all types of motion, but is best suited for pivoting applications.               Physical and thermal properties
                      ● 	Very wear-resistant                                                                                        Max. application temperature long-term               °C        +135                         FOOD
                      ● 	Very high pv values                                                                                        Max. application temperature short-term              °C        +155
                      ● 	Low coefficient of friction                                                                                Min. application temperature                         °C         -40
          Bar stock,   ● 	Resistant to dirt                                                                                         Thermal conductivity                              W/m · K       0.23      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	Lubrication-free                                                                                           Coefficient of thermal expansion (at +23°C)       K  · 10        5        DIN 53752
                      ● 	Standard range from stock                                                                                  Electrical properties
                      ● 	Maintenance-free                                                                                           Specific transitional resistance                    Ωcm        > 10 15    DIN IEC 93
                                                                                                                                    Surface resistance                                   Ω         > 10 12    DIN 53482
                      Typical application areas                                                                                     Table 01: Material properties
          tribo-tape liner  ● 	Construction machinery industry
          Page 781    ● 	Sheet metal industry                                                                                       iglidur  Q plain bearings were developed especially for   Resistance to weathering
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                      ● 	Agricultural machines                                                                                      extreme loads. Under high loads, iglidur  Q figures among   iglidur  Q plain bearings are resistant to weathering. The
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                      ● 	Railway technology                                                                                         the iglidur  materials that display the best wear resistance.   material properties are slightly affected. Discolouration
                      ● 	Doors and gates                                                                                            From a radial load of 25MPa, even plain bearings made   occurs.
                                                                                                                                    from the abrasion-resistant iglidur  W300 are exceeded.
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                                                                                                                                    Specific solid lubricants, precisely integrated into the   Mechanical properties
          Guide rings
          Page 641                                                                                                                  material, ensure that the maintenance-free dry operation   With increasing temperatures, the compressive strength
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                                                                                                                                    is guaranteed under any load.                      of iglidur  Q plain bearings decreases. Diagram 02 shows
                       Descriptive technical specifications                                                                                                                            this inverse relationship. The maximum recommended
                       Wear resistance at +23°C                     –                       +                                       Moisture absorption                                surface pressure is a mechanical material parameter. No
                                                                                                                                    The moisture absorption of iglidur  Q plain bearings in   conclusions regarding the tribological properties can be
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                       Wear resistance at +90°C                     –                       +
                                                                                                                                    ambient conditions is approximately 0.9% weight. The   drawn from this.
          Two hole     Wear resistance at +150°C                    –                       +                                       saturation limit submerged in water is 4.9% weight. This   iglidur  Q is a material used when high pv values are
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          flange
          bearings                                                                                                                  must be taken into account for these types of applications.  reached with high loads. Diagram 03 shows the elastic
          Page 667     Slide property                               –                       +
                                                                                                                                                                                       deformation of iglidur  Q at radial loads. At the maximum
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                       Wear resistance under water                  –                       +                                       Vacuum                                             recommended surface pressure of 100MPa, the deformation
                                                                                                                                    In vacuum, any present moisture is released as vapour.   is less than 3%.
                       Media resistance                             –                       +
                                                                                                                                    Use in vacuum is only possible with dehumidified iglidur  Q    Surface pressure, page 45
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          Moulded      Resistant to edge pressures                  –                       +                                       bearings.
          special parts
          Page 696     Resistant to shock and impact loads          –                       +
                                                                                                                                    Radiation resistance
                       Dirt resistance                              –                       +                                       Plain bearings made from iglidur  Q are resistant up to a
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                                                                                                                                    radiation intensity of 3 · 10² Gy.


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          492   3D-CAD, finder and service life calculation ... www.igus-asean.com/Q                                                                            Lubrication-free made easy ... from stock ... no minimum order quantity   493
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