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iglidur  D                                                                                                                                                                                                              iglidur  D
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          +90°C                                                                                                                                                                                                                   +90°C
          23MPa                                                                                                                                                                                                                   23MPa
                      Bearing technology | Plain bearings | iglidur  D                                                              Technical data
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          Permissible surface speeds                          Chemicals                        Resistance                             100.0                                               0.35
          iglidur  D plain bearings are suitable for high surface   Alcohols                       +                                   10.0                                               0.30
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          speeds. Speeds of up to 10.0m/s are permitted in linear   Diluted acids               0 up to –                                                                                 0.25
          motions. The maximum values shown in table 03 can only   Diluted alkalines               +                                    1.0                                               0.20
          be achieved at low pressures. The specified values show   Fuels                          +                                                                                      0.15
          the speed at which due to friction an increase in tempera-  Greases, oils without additives  +                             Surface pressure [MPa]  0.1                        Coefficient of friction [µ]  0.10
          ture up to the long-term permitted value can occur.  Hydrocarbons                        +                                                                                      0.05
          Surface speed, page 48                              Strong acids                          –                                  0.01  0.001   0.01     0.1      1.0      10.0      0.00  0       5        10       15       20
                                                              Strong alkalines                  + up to 0
          Temperature                                                                                                                 Surface speed [m/s]                                Load [MPa]
          With increasing temperatures, the compressive strength   All data given at room temperature [+20°C]                       Diagram 01: Permissible pv values for iglidur  D plain bearing   Diagram 05: Coefficient of friction as a function of the
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          of iglidur  D plain bearings decreases. Diagram 02 shows   Table 02: Chemical resistance                                  with a wall thickness of 1 mm dry operation against a steel   pressure, v = 0.01m/s
                                                             Chemical table, page 1170
          this inverse relationship. The temperatures prevailing in                                                                 shaft at +20°C, mounted in a steel housing
          the bearing system also have an influence on the wear.               Rotating Oscillating   linear
          For temperatures over +50°C an additional securing is   Long-term  m/s  1.5       1.1        8.0                              30                                                  8
          required.                                           Short-term  m/s     3.0       2.1       10.0                                                                                  7
          Application temperatures, page 53                                                                                                                                                 6
          Additional securing, page 53                       Table 03: Maximum surface speeds                                           20                                                  5
                                                                                                                                                                                            4
                                                                                   Dry    Greases Oil  Water                                                                                3          Free cutting steel   Cf53, hard chromed  HR carbon steel  304 stainless steel  High grade steel
          Friction and wear                                   Coefficient of friction μ 0.08-0.26  0.09  0.04  0.04                     10                                                  2     H.a. aluminium
          Similar to wear resistance, the coefficient of friction µ also   Table 04: Coefficient of friction against steel (Ra = 1μm,                                                   Wear [µm/km]  1     Cf53 steel
          changes with the surface speed and load (diagram 04 and                                                                    Load [MPa]  0                                          0
          05). In the Ra range between 0.4-0.6µm, the coefficient of   50HRC)                                                              20    30   40   50   60    70   80   90
          friction attains its optimum value.                             Housing   Plain bearings   Shaft                            Temperature [°C]
          Coefficient of friction and surfaces, page 51       Ø d1 [mm]   H7 [mm]     E10 [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 (23MPa at +20°C)           pressure, p = 1MPa, v = 0.3m/s
                                                              0-3       +0.000 +0.010 +0.014 +0.054 -0.025 +0.000
                                                              > 3-6     +0.000 +0.012 +0.020 +0.068 -0.030 +0.000
          Shaft materials                                     > 6-10    +0.000 +0.015 +0.025 +0.083 -0.036 +0.000                       10                                                 10
          Diagram 06 and 07 display a summary of the results of   > 10-18  +0.000 +0.018 +0.032 +0.102 -0.043 +0.000                                                                        9    rotating
                                                                                                                                                                                                 oscillating
          tests with different shaft materials executed with plain   > 18-30  +0.000 +0.021 +0.040 +0.124 -0.052 +0.000                  8       +23°C                                      8
                                                                                                                                                                                            7
          bearings made of iglidur  D. If the shaft material you plan   > 30-50  +0.000 +0.025 +0.050 +0.150 -0.062 +0.000               6       +60°C                                      6
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          on using is not shown in these test results, please contact   > 50-80  +0.000 +0.030 +0.060 +0.180 -0.074 +0.000               4                                                  5
                                                                                                                                                                                            4
          us.                                                 > 80-120  +0.000 +0.035 +0.072 +0.212 -0.087 +0.000                                                                           3
          Shaft materials, page 56                                                                                                   Deformation [%]  2                                     2
                                                              > 120-180  +0.000 +0.040 +0.085 +0.245 -0.100 +0.000                                                                      Wear [µm/km]  1
                                                             Table 05: Important tolerances for plain bearings according                 0                                                  0
          Installation tolerances                                                                                                          0     4      8     12    16    20    24               Cf53     hard    304SS   HR carbon
          iglidur  D plain bearings are standard bearings for shafts   to ISO 3547-1 after press-fit                                  Load [MPa]                                                        chromed             steel
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          with  h-tolerance (recommended minimum  h9).  The                                                                         Diagram 03: Deformation under pressure and temperature  Diagram 07: Wear for rotating and oscillating applications
          bearings are designed for press-fit into a housing machined                                                                                                                  with different shaft materials, p = 2MPa
          to a H7 tolerance. After being assembled into a nominal
          size housing, the inner diameter automatically adjusts to                                                                     0.4
          the E10 tolerances. For particular dimensions the tolerance
          differs depending on the wall thickness (please see product                                                                   0.3
          range table).
          Testing methods, page 61                                                                                                   Coefficient of friction [µ]  0.2


          Product range
          iglidur  D plain bearings are manufactured to special order.                                                                  0.1  0.05  0.10  0.15  0.20  0.25  0.30  0.35  0.40
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                                                                                                                                      Surface speed [m/s]
                                                                                                                 ASEAN 09/2023   ASEAN 09/2023  surface speed, p = 0.75MPa
                                                                                                                                    Diagram 04: Coefficient of friction as a function of the



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