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iglidur  W360                                                                                                                                                                                                           iglidur  W360
            ®
                                                                                                                                                                                                                                    ®
         +180 °C                                                                                                                                                                                                                  +180 °C
          75MPa                                                                                                                                                                                                                   75MPa
                      Bearing technology | Plain bearings | iglidur  W360                                                           Technical data
                                                                                                ®
          Permissible surface speeds                          Chemicals                        Resistance                               100.0                                             0.25
          iglidur  W360 plain bearings are suitable for low and   Alcohols                      0 up to –                                10.0                                             0.20
               ®
          medium speeds in rotating and oscillating applications.   Diluted acids               0 up to –                                                                                 0.15
          The wear rates, however, are much better in the case   Diluted alkalines                 +                                      1.0
          of rotating applications. Good bearing support for linear   Fuels                        +                                                                                      0.10
          movements is also possible with iglidur  W360.      Greases, oils without additives      +                                 Surface pressure [MPa]  0.1                        Coefficient of friction [µ]  0.05
                                           ®
          Surface speed, page 48                              Hydrocarbons                         +                                     0.01                                             0.00
                                                              Strong acids                      0 up to –                                                                       10.0
          Temperature                                         Strong alkalines                     +                                         0.001     0.01     0.1      1.0                   0    10   20   30    40   50   60   70
          The temperature resistance makes iglidur  W360 a very                                                                       Surface speed [m/s]                                Load [MPa]
                                             ®
          universal material for plain bearings in different industries.   All data given at room temperature [+20°C]               Diagram 01: Permissible pv values for iglidur  W360 with a   Diagram 05: Coefficient of friction as a function of the
                                                                                                                                                                      ®
          Application temperatures up to +200°C are permissible for   Table 02: Chemical resistance                                 wall thickness of 1mm dry operation against a steel shaft at   pressure, v = 0.01m/s
                                                             Chemical table, page 1170
          short periods. For temperatures over +90°C an additional                                                                  +20°C, mounted in a steel housing
          securing is required.                                                Rotating Oscillating   linear
          Application temperatures, page 53                   Long-term  m/s      1.2       0.9        3.0                              80                                                0.20
          Additional securing, page 53
                                                              Short-term  m/s     2.7       2.0        5.0                                                                                0.16
                                                                                                                                        60
                                                             Table 03: Maximum surface speeds
          Friction and wear                                                                                                                                                               0.12
          The coefficient of friction of iglidur  W360 in dry operation            Dry    Greases Oil  Water                            40                                                0.08
                                      ®
          against steel is very good. They constantly remain at a   Coefficient of friction μ 0.07-0.21  0.09  0.04  0.04               20                                              Coefficient of friction [µ]
          low level regardless of the speed. Diagram 04 shows this   Table 04: Coefficient of friction against steel (Ra = 1μm,                                                           0.04
          inverse relationship. As the load increases, the coefficient                                                               Load [MPa]  0                                        0.00
          of friction decreases. The correlation is especially strong   50HRC)                                                             20   40   60  80   100  120  140  160  180          0.4   0.6   0.8   1.0   1.2   1.4   1.6
          up to approximately 15MPa (diagram 05).                         Housing   Plain bearings   Shaft                            Temperature [°C]                                   Shaft surface finish Ra [µm]
          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: Coefficient of friction as a function of the shaft
          Wear resistance, page 54                                                                                                  function of temperature (75MPa at +20°C)           surface (Cf53 shaft)
                                                              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                       4.0                                                 5
          In the case of W360, the shaft’s surface finish has practically    > 10-18  +0.000 +0.018 +0.032 +0.102 -0.043 +0.000
          no effect on the coefficient of friction in the range of up to   > 18-30  +0.000 +0.021 +0.040 +0.124 -0.052 +0.000           3.0                                                 4
          1.6MPa (diagram 06). Diagram 07 shows results of testing   > 30-50  +0.000 +0.025 +0.050 +0.150 -0.062 +0.000                          +23°C                                      3
                                                                                                                                                 +60°C
                            ®
          different shafts. iglidur  W360 plain bearings are suitable   > 50-80  +0.000 +0.030 +0.060 +0.180 -0.074 +0.000              2.0                                                 2          Free cutting steel   Cf53, hard chromed  304 stainless steel
          for all sliding surfaces. During rotation with a load of 1MPa,   > 80-120  +0.000 +0.035 +0.072 +0.212 -0.087 +0.000          1.0                                                       H.a. aluminium  Cf53 steel  HR carbon steel  High grade steel
          all HC aluminium, Cf53 and stainless steel shafts stand out.   > 120-180  +0.000 +0.040 +0.085 +0.245 -0.100 +0.000        Deformation [%]                                    Wear [µm/km]  1
          A similar picture also exists with other loads or pivoting                                                                    0.0                                                 0
          movements. If the shaft material you plan on using is not   Table 05: Important tolerances for plain bearings according          0     25     50    75    100   125   150
          shown in these test results, please contact us.    to ISO 3547-1 after press-fit                                            Load [MPa]
          Shaft materials, page 56                                                                                                  Diagram 03: Deformation under pressure and temperature  Diagram 07: Wear, rotating with different shaft materials,
                                                                                                                                                                                       p = 1MPa, v = 0.3m/s
          Installation tolerances
          iglidur  W360 plain bearings are standard bearings for                                                                       0.25
               ®
          shafts with h tolerance (recommended minimum h9). The                                                                        0.20
          bearings are designed for press-fit into a housing machined                                                                  0.15
          to a H7 tolerance. After being assembled into a nominal
          size housing, the inner diameter automatically adjusts to                                                                  Coefficient of friction [µ]  0.10
          the E10 tolerances.                                                                                                          0.05
          Testing methods, page 61                                                                                                     0.00
                                                                                                                                           0.0
                                                                                                                                                   0.3
                                                                                                                                      Surface speed [m/s]  0.6   0.9     1.2    1.5
                                                                                                                 ASEAN 09/2023   ASEAN 09/2023  surface speed, p = 1MPa
                                                                                                                                    Diagram 04: Coefficient of friction as a function of the



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