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iglidur  H2                                                                                                                                                                                                              iglidur  H2
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         +200°C                                                                                                                                                                                                                   +200°C
         110MPa                                                                                                                                                                                                                   110MPa
                      Bearing technology | Plain bearings | iglidur  H2                                                             Technical data
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          Permissible surface speeds                         Product range                                                            1,000                                               0.30
          During  the  development  of iglidur   H2, costs  and   iglidur  H2 plain bearings are manufactured to special                100                                               0.25
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          mechanical stability were the main considerations. The   order. Please request iglidur  H2 plain bearings as an                                                                 0.20
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          permitted surface speeds of this bearing are rather   alternative to iglidur  H and iglidur  H4 bearings in high               10                                               0.15
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          low, which primarily permits an application with slow   volume applications.                                                                                                    0.10
          movements or in intermittent service.                                                                                      Surface pressure [MPa]  1                          Coefficient of friction [µ]  0.05
          Surface speed, page 48
                                                              Chemicals                        Resistance                               0.1                                               0.00
          Temperature                                         Alcohols                             +                                       0.001     0.01     0.1      1.0      10.0           0   10   20  30   40   50  60   70  80
          iglidur  H2 is an extremely temperature-resistant material.   Diluted acids           + up to 0                             Surface speed [m/s]                                Load [MPa]
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          The short-term maximum temperature permitted is +240°C   Diluted alkalines               +                                Diagram 01: Permissible pv values for iglidur  H2 plain   Diagram 05: Coefficient of friction as a function of the
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          and allows the use of iglidur  H2 plain bearings in applications    Fuels                +                                bearing with a wall thickness of 1mm dry operation against    pressure, v = 0.01m/s
          where the bearings are not subjected to any additional   Greases, oils without additives  +                               a steel shaft at +20°C, mounted in a steel housing
          load such as a paint drying process. The temperatures   Hydrocarbons                     +
          prevailing in the bearing system also have an influence on   Strong acids             0 up to –                              160                                                25.0
          the wear. The wear rises with increasing temperatures.   Strong alkalines                +                                   140
          For temperatures over +110°C an additional securing is   All data given at room temperature [+20°C]                          120                                                20.0
          required.                                          Table 02: Chemical resistance                                             100                                                15.0
          Application temperatures, page 53                  Chemical table, page 1170                                                  80                                                10.0         Free cutting steel   Cf53, hard chromed  304 stainless steel
          Additional securing, page 53                                                                                                  60                                                        H.a. aluminium       HR carbon steel  High grade steel
                                                                                                                                        40
                                                                               Rotating Oscillating   linear                            20                                              Wear [µm/km]  5.0   Cf53 steel
          Friction and wear                                   Long-term  m/s      0.9       0.6        2.5                           Load [MPa]  0                                         0.0
          The coefficient of friction of iglidur  H2 plain bearings   Short-term  m/s  1.0  0.7        3.0                                 20      50     80     120     150    200
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          change with different surface speeds, loads and surface   Table 03: Maximum surface speeds                                  Temperature [°C]
          finishes, as indicated in the diagrams 04 and 05.                                                                         Diagram 02: Maximum recommended surface pressure as a   Diagram 06: Wear, rotating with different shaft materials,
          Coefficient of friction and surfaces, page 51                            Dry    Greases Oil  Water                        function of temperature (110MPa at +20°C)          pressure, p = 1MPa, v = 0.3m/s
          Wear resistance, page 54                            Coefficient of friction μ 0.07-0.30  0.09  0.04  0.04
                                                             Table 04: Coefficient of friction against steel (Ra = 1μm,                  6                                                 150
          Shaft materials                                    50HRC)                                                                      5                                                 125                            rotating
          Regarding the wear resistance of combinations with                                                                             4       +23°C                                     100                            oscillating
          iglidur  H2, it must be indicated once again that this          Housing   Plain bearings   Shaft                                       +60°C
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          bearing was developed for statically high mechanical   Ø d1 [mm]  H7 [mm]   F10 [mm]     h9 [mm]                               3                                                 75
          stability. The wear resistance however does not attain,   0-3  +0.000 +0.010 +0.006 +0.046 -0.025 +0.000                       2                                                 50
          with none of the bearing-shaft combinations, the values   > 3-6  +0.000 +0.012 +0.010 +0.058 -0.030 +0.000                 Deformation [%]  1                                 Wear [µm/km]  25
          of iglidur  H370 with the corresponding shaft. When   > 6-10  +0.000 +0.015 +0.013 +0.071 -0.036 +0.000                        0                                                  0
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          the iglidur  H2 bearings are used, they should not be   > 10-18  +0.000 +0.018 +0.016 +0.086 -0.043 +0.000                       0   10 20 30 40 50 60 70 80 90 100 110                Cf53     hard     304SS  HR carbon
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          combined with hard-chromed shafts. Shafts made from   > 18-30  +0.000 +0.021 +0.020 +0.104 -0.052 +0.000                    Load [MPa]                                                         chromed            steel
          Cf53 steel and 304 stainless steel are essentially better,   > 30-50  +0.000 +0.025 +0.025 +0.125 -0.062 +0.000           Diagram 03: Deformation under pressure and temperature  Diagram 07: Wear for rotating and oscillating applications
          as is found in diagrams 06 and 07.                  > 50-80   +0.000 +0.030 +0.030 +0.150 -0.074 +0.000                                                                      with different shaft materials, p = 2MPa
          Shaft materials, page 56                            > 80-120  +0.000 +0.035 -0.036 +0.176 -0.087 +0.000
                                                              > 120-180  +0.000 +0.040 +0.043 +0.203 +0.000 +0.100                      0.4
          Installation tolerances                            Table 05: Important tolerances for plain bearings according
          iglidur  H2 plain bearings are standard bearings for   to ISO 3547-1 after press-fit                                          0.3
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          shafts with h-tolerance (recommended minimum h9).
          The bearings are designed for press-fit into a housing                                                                     Coefficient of friction [µ]  0.2
          machined to a H7 tolerance. After being assembled into a
          nominal size housing, in standard cases the inner diameter
          automatically adjusts to the F10 tolerances. For particular                                                                   0.1
                                                                                                                                           0.05
                                                                                                                                                 0.10
          dimensions the tolerance differs depending on the wall                                                                      Surface speed [m/s]  0.15  0.20  0.25  0.30  0.35
          thickness (please see product range table).
          Testing methods, page 61                                                                               ASEAN 09/2023   ASEAN 09/2023  Diagram 04: Coefficient of friction as a function of the
                                                                                                                                    surface speed, p = 0.75MPa

          382   3D-CAD, finder and service life calculation ... www.igus-asean.com/H2                                                                           Lubrication-free made easy ... from stock ... no minimum order quantity  383
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