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         iglidur                                                                                                                                                                                                                  iglidur
         HSD350                                                                                                                                                                                                                   HSD350
         +180 °C                                                                                                                                                                                                                  +180 °C
          30MPa                                                                                                                                                                                                                   30MPa
                      Bearing technology | Plain bearings | iglidur  HSD350                                                         Technical data
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          Permissible surface speeds                          Chemicals                        Resistance                             100.0                                                12
          Due to its rather good thermal conductivity and thermal   Alcohols                    + up to 0                              10.0                                                10
          resistance, iglidur  HSD350 is suitable for speeds in the   Diluted acids                +                                                                                        8
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          medium range. The permissible surface speed decreases   Diluted alkalines                +                                    1.0                                                 6
          with increasing surface pressure.                   Fuels                             + up to 0                                                                                   4     H.a. aluminium  Free cutting steel   Cf53, hard chromed  HR carbon steel  304 stainless steel  High grade steel
          Surface speed, page 48                              Greases, oils without additives      +                                 Surface pressure [MPa]  0.1                            2               Cf53 steel
                                                              Hydrocarbons                         +                                                                                    Wear [µm/km]
          Temperature                                         Strong acids                         0                                   0.01  0.001   0.01     0.1      1.0      10.0        0
          The ambient temperatures strongly influence the properties    Strong alkalines           0
          of plain bearings. According to its field of application                                                                    Surface speed [m/s]
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          as autoclavable material, iglidur  HSD350 offers good   All data given at room temperature [+20°C]                        Diagram 01: Permissible pv values for iglidur  HSD350 with a   Diagram 05: Wear, rotating with different shaft materials,
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          thermal resistance. For temperatures over +130°C an   Table 02: Chemical resistance                                       wall thickness of 1mm dry operation against a steel shaft at   pressure, p = 1MPa, v = 0.3m/s
                                                             Chemical table, page 1170
          axial securing is required.                                                                                               +20°C, mounted in a steel housing
          Application temperatures, page 53                                    Rotating Oscillating   linear
          Additional securing, page 53
                                                              Long-term  m/s      1.1       0.8        3.0                              35                                                 500        rotating
                                                              Short-term  m/s     1.2       1.0        3.2                              30                                                 400        oscillating
          Friction and wear                                                                                                             25
          The coefficient of friction increases constantly and slowly   Table 03: Maximum surface speeds                                20                                                 300
          over the speed, but remains below 0.3µ up to a speed                     Dry    Greases Oil  Water                            15                                                 200
          of 2.0m/s.                                          Coefficient of friction μ 0.07-0.23  0.09  0.04  0.04                     10
          Coefficient of friction and surfaces, page 51      Table 04: Coefficient of friction against steel (Ra = 1μm,                  5                                              Wear [µm/km]  100
          Wear resistance, page 54                                                                                                   Load [MPa]  0                                          0
                                                             50HRC)                                                                        20        50       80       120      150            0        20       40       60       80
          Shaft materials                                                 Housing   Plain bearings   Shaft                            Temperature [°C]
          Diagram 06 and 07 display a summary of the test results   Ø d1 [mm]  H7 [mm]  F10 [mm]   h9 [mm]                          Diagram 02: Maximum recommended surface pressure as a   Diagram 06: Wear for oscillating and rotating applications
          with different shaft materials conducted with plain bearings   0-3  +0.000 +0.010 +0.006 +0.046 -0.025 +0.000             function of temperature (30MPa at +20°C)           with shaft material Cf53 hardened and ground steel, as a
          made from iglidur  HSD350. At 0.3 m/s and 1 MPa surface   > 3-6  +0.000 +0.012 +0.010 +0.058 -0.030 +0.000                                                                   function of the load
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          pressure, a wide variety of shafts are suitable and provide   > 6-10  +0.000 +0.015 +0.013 +0.071 -0.036 +0.000               3.5
          good wear results. Hard-anodised aluminium, free cutting   > 10-18  +0.000 +0.018 +0.016 +0.086 -0.043 +0.000                 3.0
          steel, hard-chromed Cf53, 304 stainless steel and high   > 18-30  +0.000 +0.021 +0.020 +0.104 -0.052 +0.000                   2.5      +23°C
          grade steel exhibit low wear. If the shaft material you plan   > 30-50  +0.000 +0.025 +0.025 +0.125 -0.062 +0.000             2.0      +60°C
          on using is not shown in these test results, please contact   > 50-80  +0.000 +0.030 +0.030 +0.150 -0.074 +0.000              1.5
          us.                                                 > 80-120  +0.000 +0.035 -0.036 +0.176 -0.087 +0.000                       1.0
          Shaft materials, page 56                                                                                                   Deformation [%]  0.5
                                                              > 120-180  +0.000 +0.040 +0.043 +0.203 +0.000 +0.100
                                                             Table 05: Important tolerances for plain bearings according                0.0
          Installation tolerances                                                                                                          0            10          20          30
          iglidur  HSD350 plain bearings are standard bearings   to ISO 3547-1 after press-fit                                        Load [MPa]
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          for shafts with h-tolerance (recommended minimum h9).                                                                     Diagram 03: Deformation under pressure and temperature
          The bearings are designed for press-fit into a housing
          machined to a H7 tolerance. After being assembled into a
          nominal size housing, in standard cases the inner diameter                                                                   0.70
          automatically adjusts to the F10 tolerances. For particular                                                                  0.60
          dimensions the tolerance differs depending on the wall                                                                       0.50
          thickness (please see product range table). In relation to                                                                   0.40
          the installation tolerance, the inner diameter changes with                                                                Coefficient of friction [µ]  0.30
          the absorption of humidity.                                                                                                  0.20
          Testing methods, page 61                                                                                                     0.10
                                                                                                                                       0.00
                                                                                                                                           0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
                                                                                                                                      Surface speed [m/s]
                                                                                                                 ASEAN 09/2023   ASEAN 09/2023  surface speed, p = 1MPa
                                                                                                                                    Diagram 04: Coefficient of friction as a function of the



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