Page 190 - IGUS Bearing
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iglidur  J3                                                                                                                                                                                                              iglidur  J3
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          +90°C                                                                                                                                                                                                                   +90°C
          45MPa                                                                                                                                                                                                                   45MPa
                      Bearing technology | Plain bearings | iglidur  J3                                                             Technical data
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                                                                                                                                    General properties                                                      Testing method

                                                                                                                                    Density                                            g/cm³        1.42                       -50°C up to
          Ø                                                                                                                         Colour                                                         yellow                      +90°C
          2.0-50.0mm
                                                                                                                                    Max. moisture absorption at +23°C/50% r.h.       % weight       0.3       DIN 53495
                                                                                                                                    Max. moisture absorption                         % weight       1.3
                                                                                                                                    Coefficient of friction, dynamic, against steel      µ       0.06-0.20                     45MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.50
          Also available
          as:                                                                                                                       Mechanical properties
                      The new endurance runner: specialist for                                                                      Flexural modulus                                    MPa        2,700      DIN 53457
                                                                                                                                                                                        MPa
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                                    70
                                                                                                                                                                                                              DIN 53452
                      pivoting applications and pulsating loads                                                                     Compressive strength                                MPa         60
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         45
          round bar   Up to 10MPa, up to three times more wear-
          Page 743                                                                                                                  Shore D hardness                                                73        DIN 53505
                      resistant than iglidur  J                                                                                     Physical and thermal properties
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                                                                                                                                    Max. application temperature long-term               °C         +90
                                                                                                                                                                                                                                FOOD
                      iglidur  J3 is a material with improved wear resistance at low to medium loads and high speed. The service    Max. application temperature short-term              °C        +120
                           ®
                      life is up to 300% longer than iglidur  J - the proven top endurance runner material.                         Min. application temperature                         °C         -50
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          Bar stock,   ● 	Low coefficient of friction                                                                               Thermal conductivity                              W/m · K       0.25      ASTM C 177
          plate                                                                                                                                                                        -1   -5
          Page 773    ● 	High media resistance                                                                                      Coefficient of thermal expansion (at +23°C)       K  · 10       13        DIN 53752
                      ● 	Low moisture absorption                                                                                    Electrical properties
                      ● 	PTFE-free                                                                                                  Specific transitional resistance                    Ωcm        > 10 12    DIN IEC 93
                      ● 	Lubrication-free                                                                                           Surface resistance                                   Ω         > 10 12    DIN 53482
                      ● 	Maintenance-free                                                                                           Table 01: Material properties
          tribo-tape liner
          Page 781    Typical application areas                                                                                     With respect to its general mechanical and thermal    Resistance to weathering
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                      ● 	Automation                                                                                                 specifications, iglidur  J3 is directly comparable to our   iglidur  J3 plain bearings are resistant to weathering. The
                      ● 	Printing industry                                                                                          classic, iglidur  J.                               material properties are slightly affected. Discolouration
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                      ● 	Beverage industry                                                                                                                                             occurs.
                      ● 	Glass industry                                                                                             Moisture absorption
                                                                                                                                                                 ®
                      ● 	Aerospace engineering                                                                                      The moisture absorption of iglidur  J3 plain bearings in   Mechanical properties
          Guide rings
          Page 641                                                                                                                  ambient conditions is approximately 0.3% weight. The   When temperatures increase, the compressive strength of
                                                                                                                                    saturation limit submerged in water is 1.3% weight. These   iglidur  J3 plain bearings decreases. Diagram 02 shows
                                                                                                                                                                                            ®
                       Descriptive technical specifications                                                                         values are so low that a moisture expansion need to be   this inverse relationship. The maximum recommended
                       Wear resistance at +23°C                     –                       +                                       considered only in extreme cases.                  surface pressure is a mechanical material parameter. No
                                                                                                                                                                                       conclusions regarding the tribological properties can be
                       Wear resistance at +90°C                     –                       +
                                                                                                                                    Vacuum                                             drawn from this.
          Two hole     Wear resistance at +150°C                    –                       +                                       In vacuum, any present moisture is released as vapour. Use   Diagram 03 shows the elastic deformation of iglidur  J3
                                                                                                                                                                                                                                   ®
          flange
          bearings                                                                                                                  in vacuum is only possible with dehumidified iglidur  J3    at radial loads. At the recommended maximum surface
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          Page 667     Slide property                               –                       +
                                                                                                                                    bearings.                                          pressure of 45MPa the deformation is less than 6% at
                       Wear resistance under water                  –                       +                                                                                          room temperature. A possible deformation could be,
                                                                                                                                    Radiation resistance                               among others, dependant on the duty cycle of the load.
                       Media resistance                             –                       +
                                                                                                                                    They are resistant up to a radiation intensity of 1· 10⁴ Gy.  Surface pressure, page 45
          Moulded      Resistant to edge pressures                  –                       +
          special parts
          Page 696     Resistant to shock and impact loads          –                       +

                       Dirt resistance                              –                       +




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          188   3D-CAD, finder and service life calculation ... www.igus-asean.com/J3                                                                           Lubrication-free made easy ... from stock ... no minimum order quantity   189
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