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iglidur  P230                                                                                                                                                                                                            iglidur  P230
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         +110°C                                                                                                                                                                                                                   +110°C
          60MPa                                                                                                                                                                                                                   60MPa
                      Bearing technology | Plain bearings | iglidur  P230                                                           Technical data
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          Permissible surface speeds                         Installation tolerances                                                  100.0                                                 5
          iglidur  P230 was developed for low to average surface   iglidur  P230 plain bearings are standard bearings for              10.0                                                 4
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          speeds. During continuous operation, a maximum speed   shafts with h tolerance (recommended minimum h9). The                                                                      3
          of 1.0m/s (rotating) or 3.0m/s (linear) is permissible. The   bearings are designed for press-fit into a housing machined     1.0
          maximum values shown in table 03 can only be achieved   to a H7 tolerance. After being assembled into a nominal                                                                   2     H.a. aluminium  Free cutting steel   Cf53, hard chromed  HR carbon steel  304 stainless steel  High grade steel
          at low pressures. At the given speeds, friction can cause   size housing, the inner diameter automatically adjusts to      Surface pressure [MPa]  0.1                            1               Cf53 steel
          a temperature increase to maximum permissible levels. In   the E10 tolerances. For particular dimensions the tolerance                                                        Wear [µm/km]
          practice, though, this level is rarely reached due to varying   differs depending on the wall thickness (please see product   0.01  0.001  0.01     0.1      1.0      10.0        0
          application conditions.                            range table).
          Surface speed, page 48                             Testing methods, page 61                                                 Surface speed [m/s]
                                                                                                                                    Diagram 01: Permissible pv values for iglidur  P230 with a   Diagram 05: Wear, rotating with different shaft materials,
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          Temperature                                        Product range                                                          wall thickness of 1mm dry operation against a steel shaft at   pressure, p = 1MPa, v = 0.3m/s
          Also thanks to its maximum long-term application tempera-  iglidur  P230 plain bearings are currently manufactured        +20°C, mounted in a steel housing
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          ture of +110°C, iglidur  P230 is suitable for a wide range of   to special order.
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          applications. If even higher temperatures are required, the                                                                   70                                                 120
          best-seller iglidur  G (+130°C) or the new standard iglidur                                                                   60                                                 100        rotating
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          G1 (+180°C) are available. The temperatures prevailing in   Chemicals                Resistance                               50                                                            oscillating
          the bearing system also have an influence on the wear. The   Alcohols                 + up to 0                               40                                                 80
          wear rises with increasing temperatures. For temperatures   Diluted acids                +                                    30                                                 60
          over +100°C an additional securing is required.     Diluted alkalines                    +                                    20                                                 40
          Application temperatures, page 53                   Fuels                                +                                    10                                              Wear [µm/km]  20
          Additional securing, page 53                        Greases, oils without additives      +                                 Load [MPa]  0                                          0
                                                              Hydrocarbons                         +                                       20  30   40  50  60  70  80  90  100 110            0   10   20  30   40   50  60   70  80
          Friction and wear                                   Strong acids                         +                                  Temperature [°C]
          Similar to wear resistance, the coefficient of friction µ also   Strong alkalines     + up to 0                           Diagram 02: Maximum recommended surface pressure as a   Diagram 06: Wear for oscillating and rotating applications
          changes with the surface speed and load (diagram 04).  All data given at room temperature [+20°C]                         function of temperature (60MPa at +20°C)           with shaft material Cf53 hardened and ground steel, as a
          Coefficient of friction and surfaces, page 51      Table 02: Chemical resistance                                                                                             function of the load
          Wear resistance, page 54                           Chemical table, page 1170                                                  2.5

          Shaft materials                                                      Rotating Oscillating   linear                            2.0      +23°C
          Diagram 06 shows results of testing different shaft materials   Long-term  m/s  1.0  0.7     3.0                              1.5      +60°C
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          with plain bearings made from iglidur  P230. For rotating   Short-term  m/s  2.0  1.4        4.0                              1.0
          movements with 1 MPa radial load, wear on all shafts is low,   Table 03: Maximum surface speeds
          with the "soft" shaft types providing the higher coefficients                                                              Deformation [%]  0.5
          of wear. The comparison of pivoting and rotational                       Dry    Greases Oil  Water                            0.0
          movements (diagram 07) shows fewer differences than   Coefficient of friction μ 0.13-0.32  0.09  0.04  0.04                      0            10          25          50
          with many other iglidur  materials. The limitation of iglidur    Table 04: Coefficient of friction against steel (Ra = 1μm,   Load [MPa]
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          P230 to low to medium loads becomes clear.         50HRC)                                                                 Diagram 03: Deformation under pressure and temperature
          Shaft materials, page 56
                                                                          Housing   Plain bearings   Shaft
                                                              Ø d1 [mm]   H7 [mm]     E10 [mm]     h9 [mm]                             0.45
                                                              0-3       +0.000 +0.010 +0.014 +0.054 -0.025 +0.000                      0.40
                                                                                                                                       0.35
                                                              > 3-6     +0.000 +0.012 +0.020 +0.068 -0.030 +0.000                      0.30
                                                              > 6-10    +0.000 +0.015 +0.025 +0.083 -0.036 +0.000                      0.25
                                                              > 10-18   +0.000 +0.018 +0.032 +0.102 -0.043 +0.000                    Coefficient of friction [µ]  0.20
                                                                                                                                       0.15
                                                              > 18-30   +0.000 +0.021 +0.040 +0.124 -0.052 +0.000                      0.10
                                                              > 30-50   +0.000 +0.025 +0.050 +0.150 -0.062 +0.000                      0.05
                                                              > 50-80   +0.000 +0.030 +0.060 +0.180 -0.074 +0.000                      0.00
                                                              > 80-120  +0.000 +0.035 +0.072 +0.212 -0.087 +0.000                          0.1       0.3      0.5      0.7      1.0
                                                              > 120-180  +0.000 +0.040 +0.085 +0.245 -0.100 +0.000                    Surface speed [m/s]
                                                             Table 05: Important tolerances for plain bearings according            Diagram 04: Coefficient of friction as a function of the
                                                                                                                                    surface speed, p = 1MPa
                                                             to ISO 3547-1 after press-fit                       ASEAN 09/2023   ASEAN 09/2023
          132   3D-CAD, finder and service life calculation ... www.igus-asean.com/P230                                                                         Lubrication-free made easy ... from stock ... no minimum order quantity  133
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