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iglidur A180 iglidur A180
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+90°C +90°C
28MPa 28MPa
Bearing technology | Plain bearings | iglidur A180 Technical data
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Permissible surface speeds Chemicals Resistance 100.0 0.3
iglidur A180 was developed for low surface speeds. The Alcohols + 10.0
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given values in table 03 indicate the limits at which an Diluted acids 0 up to – 0.2
increase up to the continuous permissible temperature Diluted alkalines + 1.0
occurs. This increase is a result of friction. In practice, Fuels + 0.1
though, this level is rarely reached due to varying Greases, oils without additives + Surface pressure [MPa] 0.1 Coefficient of friction [µ]
application conditions. Hydrocarbons +
Surface speed, page 48 Strong acids – 0.01 0.001 0.01 0.1 1.0 10.0 0.0 0 5 10 15 20 25 30
Strong alkalines + up to 0
Temperature Surface speed [m/s] Load [MPa]
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The iglidur A180 plain bearings can be used at All data given at room temperature [+20°C] Diagram 01: Permissible pv values for iglidur A180 with a Diagram 05: Coefficient of friction as a function of the
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temperatures up to +110°C for short periods. With Table 02: Chemical resistance wall thickness of 1mm dry operation against a steel shaft at pressure, v = 0.01m/s
Chemical table, page 1170
increasing temperatures, the compressive strength of +20°C, mounted in a steel housing
iglidur A180 plain bearings decreases. Diagram 02 shows Rotating Oscillating linear
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this inverse relationship. The temperatures prevailing in Long-term m/s 0.8 0.6 3.5 30 3.5
the bearing system also have an influence on the wear. Short-term m/s 1.2 1.0 5.0 25 3.0
For temperatures over +60°C an additional securing is 2.5
required. Table 03: Maximum surface speeds 20 2.0
Application temperatures, page 53 Dry Greases Oil Water 15 1.5 Free cutting steel Cf53, hard chromed 304 stainless steel
Additional securing, page 53 10 1.0 H.a. aluminium HR carbon steel High grade steel
Coefficient of friction μ 0.05-0.23 0.09 0.04 0.04 5 Cf53 steel
Table 04: Coefficient of friction against steel (Ra = 1μm, Load [MPa] Wear [µm/km] 0.5
Friction and wear 0 0.0
Similar to wear resistance, the coefficient of friction µ also 50HRC) 20 30 40 50 60 70 80 90
changes with the surface speed and load (diagram 04 and Housing Plain bearings Shaft Temperature [°C]
05). The coefficient of friction decreases with increasing Ø d1 [mm] H7 [mm] E10 [mm] h9 [mm] Diagram 02: Maximum recommended surface pressure as a Diagram 06: Wear, rotating with different shaft materials,
load. 0-3 +0.000 +0.010 +0.014 +0.054 -0.025 +0.000 function of temperature (28MPa at +20°C) pressure, p = 1MPa, v = 0.3m/s
Coefficient of friction and surfaces, page 51 > 3-6 +0.000 +0.012 +0.020 +0.068 -0.030 +0.000
Wear resistance, page 54 10 20
> 6-10 +0.000 +0.015 +0.025 +0.083 -0.036 +0.000
rotating
> 10-18 +0.000 +0.018 +0.032 +0.102 -0.043 +0.000 8 oscillating
Shaft materials > 18-30 +0.000 +0.021 +0.040 +0.124 -0.052 +0.000 +23°C 15
Diagram 06 shows a summary of the results of tests with > 30-50 +0.000 +0.025 +0.050 +0.150 -0.062 +0.000 6 +60°C
different shaft materials executed with plain bearings made > 50-80 +0.000 +0.030 +0.060 +0.180 -0.074 +0.000 4 10
of iglidur A180. The combination "iglidur A180 against > 80-120 +0.000 +0.035 +0.072 +0.212 -0.087 +0.000 5
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hard-anodised aluminium shaft" clearly stands out. It > 120-180 +0.000 +0.040 +0.085 +0.245 -0.100 +0.000 Deformation [%] 2 Wear [µm/km]
attains good to excellent wear rates also with other shafts. 0 0
With Cf53 shafts, the higher wear in pivoting applications is Table 05: Important tolerances for plain bearings according 0 5 10 15 20 0.25 0.75 2.00 5.00 10.00 20.00
exemplary compared to rotating applications (diagram 07). to ISO 3547-1 after press-fit Load [MPa] Load [MPa]
Diagram 03: Deformation under pressure and temperature Diagram 07: Wear for oscillating and rotating applications
Shaft materials, page 56 with shaft material Cf53 hardened and ground steel, as a
function of the load
Installation tolerances 0.6
iglidur A180 plain bearings are standard bearings for 0.5
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shafts with h-tolerance (recommended minimum h9). The 0.4
bearings are designed for press-fit into a housing machined 0.3
to a H7 tolerance. After being assembled into a nominal Coefficient of friction [µ] 0.2
size housing, the inner diameter automatically adjusts to 0.1
the E10 tolerances. For particular dimensions the tolerance
differs depending on the wall thickness (please see product 0.0
0.10
0.05
range table). Surface speed [m/s] 0.15 0.20 0.25 0.30 0.35 0.40
ASEAN 09/2023 ASEAN 09/2023 surface speed, p = 0.75MPa
Testing methods, page 61 Diagram 04: Coefficient of friction as a function of the

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