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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
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