Page 166 - IGUS Bearing
P. 166

iglidur  J                                                                                                                                                                                                              iglidur  J
                                                                                                                                                                                                                                      ®
              ®
          +90°C                                                                                                                                                                                                                   +90°C
          35MPa                                                                                                                                                                                                                   35MPa
                      Bearing technology | Plain bearings | iglidur  J                                                              Technical data
                                                                                                    ®
                                                                                                                                    General properties                                                      Testing method

                                                                                                                                    Density                                            g/cm³        1.49                       -50°C up to
          Ø                                                                                                                         Colour                                                         yellow                      +90°C
          1.5-120.0mm
                                                                                                                                    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       0.06-0.18                     35MPa
                                                                                                                                    pv value, max. (dry)                             MPa · m/s      0.34
          Also available
          as:                                                                                                                       Mechanical properties
                      The versatile endurance runner                                                                                Flexural modulus                                    MPa        2,400      DIN 53457
                                                                                                                                                                                                    73
                                                                                                                                                                                        MPa
                                                                                                                                    Flexural strength at +20°C
                                                                                                                                                                                                              DIN 53452
                      Strong performer on most shafts, very low                                                                     Compressive strength                                MPa         60
          Bar stock,                                                                                                                Max. permissible surface pressure (+20°C)           MPa         35
          round bar   coefficient of friction
          Page 743                                                                                                                  Shore D hardness                                                74        DIN 53505
                                                                                                                                    Physical and thermal properties
                      One main advantage of iglidur  J plain bearings is the combination of a low coefficient of friction in dry    Max. application temperature long-term               °C         +90
                                               ®
                      operation and the low stickslip tendency. With a maximum recommended surface pressure of 35MPa,               Max. application temperature short-term              °C        +120                         FOOD
                      iglidur  J plain bearings are not suitable for extreme loads.                                                 Min. application temperature                         °C         -50
                           ®
          Bar stock,   ● 	Over 250 sizes available from stock                                                                       Thermal conductivity                              W/m · K       0.25      ASTM C 177
          plate       ● 	High wear resistance                                                                                                                                          -1   -5
          Page 773                                                                                                                  Coefficient of thermal expansion (at +23°C)       K  · 10       10        DIN 53752
                      ● 	Low coefficient of friction                                                                                Electrical properties
                      ● 	Vibration-dampening                                                                                        Specific transitional resistance                    Ωcm        > 10 13    DIN IEC 93
                      ● 	Chemical-resistant                                                                                         Surface resistance                                   Ω         > 10 12    DIN 53482
                      ● 	Recommended for soft shafts                                                                                Table 01: Material properties
                      ● 	Low moisture absorption
          tribo-tape liner
          Page 781                                                                                                                  One main advantage of iglidur  J plain bearings is the   Resistance to weathering
                                                                                                                                                               ®
                      Typical application areas                                                                                     combination of a low coefficient of friction in dry operation   iglidur  J plain bearings are resistant to weathering. The
                                                                                                                                                                                            ®
                      ● 	Automation                                                                                                 and the low stickslip tendency.                    material properties are slightly affected. Discolouration
                      ● 	Printing industry                                                                                                                                             occurs.
                      ● 	Beverage industry                                                                                          Moisture absorption
                      ● 	Aerospace engineering                                                                                      The moisture absorption of iglidur  J plain bearings in   Mechanical properties
                                                                                                                                                                  ®
          Guide rings  ● 	Cleanroom
          Page 641                                                                                                                  ambient conditions is approximately 0.3% weight. The   With increasing temperatures, the compressive strength of
                                                                                                                                    saturation limit submerged in water is 1.3% weight. These   iglidur  J plain bearings decreases. Diagram 02 shows this
                                                                                                                                                                                            ®
                       Descriptive technical specifications                                                                         values are so low that a moisture expansion need to be   inverse relationship. With the long-term permitted application
                       Wear resistance at +23°C                     –                       +                                       considered only in extreme cases.                  temperature of +90°C, the permitted surface pressure
                                                                                                                                                                                       still amounts to 20MPa. The maximum recommended
                       Wear resistance at +90°C                     –                       +
                                                                                                                                    Vacuum                                             surface pressure is a mechanical material parameter. No
          Two hole     Wear resistance at +150°C                    –                       +                                       In vacuum, any present moisture is released as vapour.   conclusions regarding the tribological properties can be
          flange
          bearings                                                                                                                  Use in vacuum is only possible with dehumidified iglidur  J    drawn from this.
                                                                                                                                                                                 ®
          Page 667     Slide property                               –                       +
                                                                                                                                    bearings.                                          With a maximum recommended surface pressure of
                       Wear resistance under water                  –                       +                                                                                          35MPa, iglidur  J plain bearings are not suitable for
                                                                                                                                                                                                    ®
                                                                                                                                    Radiation resistance                               extreme loads. Diagram 03 shows the elastic deformation
                       Media resistance                             –                       +
                                                                                                                                    Plain bearings made from iglidur  J are resistant up to a   of iglidur  J at radial loads.
                                                                                                                                                                                              ®
                                                                                                                                                               ®
          Moulded      Resistant to edge pressures                  –                       +                                       radiation intensity of 3 · 10² Gy.                 Surface pressure, page 45
          special parts
          Page 696     Resistant to shock and impact loads          –                       +
                       Dirt resistance                              –                       +




              ®
          igubal            Online product finder                         Online service life calculation
          spherical balls
          Page 848          www.igus-asean.com/iglidur-finder             www.igus-asean.com/iglidur-expert      ASEAN 09/2023   ASEAN 09/2023
          164   3D-CAD, finder and service life calculation ... www.igus-asean.com/J                                                                            Lubrication-free made easy ... from stock ... no minimum order quantity   165
   161   162   163   164   165   166   167   168   169   170   171