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iglidur  H3                                                                                                                                                                                                              iglidur  H3
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         +200°C                                                                                                                                                                                                                   +200°C
          40MPa                                                                                                                                                                                                                   40MPa
                      Bearing technology | Plain bearings | iglidur  H3                                                             Technical data
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          Permissible surface speeds                          Chemicals                        Resistance                             100.0                                               0.20
          Due to their excellent coefficient of friction, rotating surface   Alcohols              +                                   10.0                                               0.15
          speeds of up to 2.0m/s are possible with iglidur  H3 plain   Diluted acids            + up to 0
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          bearings in dry operation. Linear speeds up to 5.0m/s   Diluted alkalines                +                                    1.0                                               0.10
          can be attained. The speeds stated in table 03 are limit   Fuels                         +
          values for the lowest bearing loads. With higher loads, the   Greases, oils without additives  +                           Surface pressure [MPa]  0.1                        Coefficient of friction [µ]  0.05
          permitted speed drops with the extent of the load due to   Hydrocarbons                  +
          the limitations by the pv value.                    Strong acids                      + up to –                              0.01  0.001   0.01     0.1      1.0      10.0      0.00
          Surface speed, page 48                              Strong alkalines                  + up to –                                                                                      0   10   20  30   40   50  60   70  80
                                                                                                                                      Surface speed [m/s]                                Load [MPa]
                                                             All data given at room temperature [+20°C]
          Temperature                                                                                                               Diagram 01: Permissible pv values for iglidur  H3 plain   Diagram 05: Coefficient of friction as a function of the
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          iglidur  H3 is an extremely temperature-resistant material.   Table 02: Chemical resistance                               bearing with a wall thickness of 1mm dry operation against    pressure, v = 0.01m/s
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                                                             Chemical table, page 1170
          The temperatures prevailing in the bearing system also have                                                               a steel shaft at +20°C, mounted in a steel housing.
          an influence on the wear. The wear rises with increasing             Rotating Oscillating   linear
          temperatures. In the case of iglidur  H3 in particular,   Long-term  m/s  1.0     0.7        4.0                              80                                                 1.0
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          however, this increase is very small. For temperatures over   Short-term  m/s  1.5  1.1      6.0                              70
          +80°C an additional securing is required.                                                                                     60                                                 0.8
          Application temperatures, page 53                  Table 03: Maximum surface speeds                                           50                                                 0.6
          Additional securing, page 53                                                                                                  40                                                                        Cf53, hard chromed
                                                                                   Dry    Greases Oil  Water                            30                                                 0.4    H.a. aluminium  Free cutting steel   HR carbon steel  304 stainless steel  High grade steel
                                                              Coefficient of friction μ 0.08-0.17  0.09  0.04  0.04                     20                                                                  Cf53 steel
          Friction and wear                                  Table 04: Coefficient of friction against steel (Ra = 1μm,                 10                                              Wear [µm/km]  0.2
          The coefficient of friction alters similarly to the wear                                                                   Load [MPa]  0                                         0.0
          resistance  with  increasing  load  and  surface  speed   50HRC)                                                                 20      50     80     120     150    200
          (diagrams 04 and 05).                                           Housing   Plain bearings   Shaft                            Temperature [°C]
          Coefficient of friction and surfaces, page 51       Ø d1 [mm]   H7 [mm]     F10 [mm]     h9 [mm]                          Diagram 02: Maximum recommended surface pressure as a   Diagram 06: Wear, rotating with different shaft materials,
          Wear resistance, page 54                                                                                                  function of temperature (80MPa at +20°C)           pressure, p = 1MPa, v = 0.3m/s
                                                              0-3       +0.000 +0.010 +0.006 +0.046 -0.025 +0.000
                                                              > 3-6     +0.000 +0.012 +0.010 +0.058 -0.030 +0.000
          Shaft materials                                     > 6-10    +0.000 +0.015 +0.013 +0.071 -0.036 +0.000                        7                                                  7
          Diagram 06 and 07 display a summary of the results of   > 10-18  +0.000 +0.018 +0.016 +0.086 -0.043 +0.000                     6                                                  6                             rotating
                                                                                                                                                                                                                          oscillating
          tests with different shaft materials executed with plain   > 18-30  +0.000 +0.021 +0.020 +0.104 -0.052 +0.000                  5     +23°C    +60°C                               5
          bearings made of iglidur   H3. The iglidur  H3 plain   > 30-50  +0.000 +0.025 +0.025 +0.125 -0.062 +0.000                      4                                                  4
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          bearings display excellent wear behaviour in combination   > 50-80  +0.000 +0.030 +0.030 +0.150 -0.074 +0.000                  3                                                  3
          with a wide variety of shaft materials both in rotating and   > 80-120  +0.000 +0.035 -0.036 +0.176 -0.087 +0.000              2                                                  2
          pivoting applications. On the 304 stainless steel shafts in   > 120-180  +0.000 +0.040 +0.043 +0.203 +0.000 +0.100         Deformation [%]  1                                 Wear [µm/km]  1
          particular, iglidur  H3 attains very low wear rates both in                                                                    0                                                  0
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          rotating and pivoting operations. Even on hard-anodised   Table 05: Important tolerances for plain bearings according            0         20       40       60       80               Cf53     hard     304SS  HR carbon
          aluminium shafts, iglidur  H3 plain bearings attain long   to ISO 3547-1 after press-fit                                    Load [MPa]                                                         chromed            steel
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          service life in rotating applications with low to medium                                                                  Diagram 03: Deformation under pressure and temperature  Diagram 07: Wear for rotating and oscillating applications
          loads.                                                                                                                                                                       with different shaft materials, p = 2MPa
          Shaft materials, page 56
                                                                                                                                       0.25
          Installation tolerances                                                                                                      0.20
          iglidur  H3 plain bearings are standard bearings for                                                                         0.15
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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]  0.10
          machined to a H7 tolerance. After being assembled into a                                                                     0.05
          nominal size housing, in standard cases the inner diameter
          automatically adjusts to the F10 tolerances. For particular                                                                  0.00
                                                                                                                                           0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
          dimensions the tolerance differs depending on the wall                                                                      Surface speed [m/s]
          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

          388   3D-CAD, finder and service life calculation ... www.igus-asean.com/H3                                                                           Lubrication-free made easy ... from stock ... no minimum order quantity  389
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