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iglidur  R                                                                                                                                                                                                              iglidur  R
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          +90°C                                                                                                                                                                                                                   +90°C
          23MPa                                                                                                                                                                                                                   23MPa
                      Bearing technology | Plain bearings | iglidur  R                                                              Technical data
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          Permissible surface speeds                         Installation tolerances                                                  100.0                                               0.35
          iglidur  R plain bearings are suitable for high surface   iglidur  R plain bearings are standard bearings for shafts         10.0                                               0.30
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          speeds. Speeds of up to 5.0m/s are permitted in linear   with  h-tolerance (recommended minimum  h9).  The                                                                      0.25
          motions. The maximum values shown in table 03 can only   bearings are designed for press-fit into a housing machined          1.0                                               0.20
          be achieved at low pressures. The specified values show   to a H7 tolerance. After being assembled into a nominal                                                               0.15
          the speed at which due to friction an increase in temperature    size housing, the inner diameter automatically adjusts to   Surface pressure [MPa]  0.1                      Coefficient of friction [µ]  0.10
          up to the long-term permitted value can occur.     the E10 tolerances. For particular dimensions the tolerance                                                                  0.05
          Surface speed, page 48                             differs depending on the wall thickness (please see product               0.01  0.001   0.01     0.1      1.0      10.0      0.00
                                                             range table).                                                                                                                     0        5        10       15       20
          Temperature                                        Testing methods, page 61                                                 Surface speed [m/s]                                Load [MPa]
          With increasing temperatures, the compressive strength                                                                    Diagram 01: Permissible pv values for iglidur  R plain bearing   Diagram 05: Coefficient of friction as a function of the
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          of iglidur  R plain bearings decreases. Diagram 02 shows                                                                  with a wall thickness of 1mm dry operation against a steel   pressure, v = 0.01m/s
          this inverse relationship. The temperatures prevailing in   Chemicals                Resistance                           shaft at +20°C, mounted in a steel housing.
          the bearing system also have an influence on the wear.   Alcohols                        +
          For temperatures over +50°C an additional securing is   Diluted acids                 0 up to –                               25                                                 4.0
          required.                                           Diluted alkalines                    +                                                                                       3.5
          Application temperatures, page 53                   Fuels                                +                                    20                                                 3.0
          Additional securing, page 53                        Greases, oils without additives      +                                    15                                                 2.5
                                                              Hydrocarbons                         +                                    10                                                 2.0         Free cutting steel   Cf53, hard chromed  304 stainless steel
          Friction and wear                                   Strong acids                          –                                                                                      1.5    H.a. aluminium       HR carbon steel  High grade steel
                                                                                                                                                                                           1.0
          Similar to wear resistance, the coefficient of friction µ also   Strong alkalines     + up to 0                                5                                              Wear [µm/km]  0.5   Cf53 steel
          changes with the surface speed and load (diagram 04   All data given at room temperature [+20°C]                           Load [MPa]  0                                         0.0
          and 05). iglidur  R is especially suitable for applications in   Table 02: Chemical resistance                                   20    30   40   50   60    70   80   90
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          which high pv values are induced mainly through the high   Chemical table, page 1170                                        Temperature [°C]
          surface speed rather than surface pressure. Less distinct is                                                              Diagram 02: Maximum recommended surface pressure as a   Diagram 06: Wear, rotating with different shaft materials,
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          the dependency of the coefficient of friction of the iglidur  R          Rotating Oscillating  linear                     function of temperature (23MPa at +20°C)           pressure, p = 1MPa, v = 0.3m/s
          plain bearings on the shaft surface.                Long-term  m/s      0.8       0.6        3.5
          Coefficient of friction and surfaces, page 51       Short-term  m/s     1.2       1.0        5.0                              10                                                 10
          Wear resistance, page 54                           Table 03: Maximum surface speeds                                                                                               9    rotating
                                                                                                                                         8                                                  8    oscillating
                                                                                                                                                 +23°C                                      7
          Shaft materials                                                          Dry    Greases Oil  Water                             6       +60°C                                      6
          Diagram 06 and 07 display a summary of the results of   Coefficient of friction μ 0.09-0.25  0.09  0.04  0.04                  4                                                  5
                                                                                                                                                                                            4
          tests with different shaft materials executed with plain   Table 04: Coefficient of friction against steel (Ra = 1μm,                                                             3
          bearings made of iglidur  R. At 0.3m/s and 1MPa, the high   50HRC)                                                         Deformation [%]  2                                 Wear [µm/km]  2
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                                                                                                                                                                                            1
          grade steel and Cf53 shafts are the best materials. With                                                                       0                                                  0
          increasing loads the iglidur  R bearings feature the best       Housing   Plain bearings   Shaft                                 0     4      8     12    16    20    24               Cf53     hard     304SS  HR carbon
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          wear behaviour with Cf53 and 304 stainless steel shafts. In   Ø d1 [mm]  H7 [mm]  E10 [mm]  h9 [mm]                         Load [MPa]                                                         chromed            steel
          pivoting applications, the hard-chromed shaft proves to be   0-3  +0.000 +0.010 +0.014 +0.054 -0.025 +0.000               Diagram 03: Deformation under pressure and temperature  Diagram 07: Wear for rotating and oscillating applications
          the ideal mating surface. If the shaft material you plan on   > 3-6  +0.000 +0.012 +0.020 +0.068 -0.030 +0.000                                                               with different shaft materials, p = 2MPa
          using is not shown in these test results, please contact us.  > 6-10  +0.000 +0.015 +0.025 +0.083 -0.036 +0.000
          Shaft materials, page 56                            > 10-18   +0.000 +0.018 +0.032 +0.102 -0.043 +0.000                       0.5
                                                              > 18-30   +0.000 +0.021 +0.040 +0.124 -0.052 +0.000                       0.4
                                                              > 30-50   +0.000 +0.025 +0.050 +0.150 -0.062 +0.000
                                                              > 50-80   +0.000 +0.030 +0.060 +0.180 -0.074 +0.000                       0.3
                                                              > 80-120  +0.000 +0.035 +0.072 +0.212 -0.087 +0.000                    Coefficient of friction [µ]
                                                              > 120-180  +0.000 +0.040 +0.085 +0.245 -0.100 +0.000                      0.2
                                                             Table 05: Important tolerances for plain bearings according                0.1
                                                             to ISO 3547-1 after press-fit                                                 0.05  0.10   0.15  0.20  0.25  0.30  0.35

                                                                                                                                      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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