Page 448 - IGUS Bearing

iglidur A160 iglidur A160
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+90°C +90°C
15MPa 15MPa
Bearing technology | Plain bearings | iglidur A160 Technical data
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Permissible surface speeds Chemicals Resistance 100.0 0.3
iglidur A160 was developed for low surface speeds. Alcohols + 10.0
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Maximum speeds of up to 0.5m/s (rotating) and 2.0m/s Diluted acids + 0.2
(linear), respectively, are permissible during continuous dry Diluted alkalines + 1.0
operation. The given values in table 03 indicate the limits Fuels + up to 0 0.1
at which an increase up to the continuous permissible Greases, oils without additives + Surface pressure [MPa] 0.1 Coefficient of friction [µ]
temperature occurs. This increase is a result of friction. In Hydrocarbons +
practice, though, this level is rarely reached, due to varying Strong acids + 0.01 0.001 0.01 0.1 1.0 10.0 0.0 0.0 2.5 5.0 7.5 10.0 12.5 15.0
application conditions. Strong alkalines +
Surface speed, page 48 Surface speed [m/s] Load [MPa]
All data given at room temperature [+20°C]
Diagram 01: Permissible pv values for iglidur A160 with a Diagram 05: Coefficient of friction as a function of the
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Table 02: Chemical resistance
Temperature Chemical table, page 1170 wall thickness of 1mm dry operation against a steel shaft at pressure, v = 0.01m/s
The temperatures prevailing in the bearing system also +20°C, mounted in a steel housing
have an influence on the wear. For temperatures over Rotating Oscillating linear
+60°C an additional securing is required. Long-term m/s 0.5 0.4 2.0 20 2.0
Application temperatures, page 53 Short-term m/s 0.7 0.6 3.0
Additional securing, page 53 15 1.5
Table 03: Maximum surface speeds
Friction and wear Dry Greases Oil Water 10 1.0 Free cutting steel Cf53, hard chromed 304 stainless steel
Coefficient of friction and wear resistance are dependent Coefficient of friction μ 0.09-0.19 0.08 0.03 0.04 5 0.5 H.a. aluminium HR carbon steel High grade steel
on the application parameters (diagrams 04 and 05). For Table 04: Coefficient of friction against steel (Ra = 1μm, Wear [µm/km] Cf53 steel
iglidur A160 plain bearings, altering the coefficient of Load [MPa] 0 0.0
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friction µ as a function of surface speed has less effect. 50HRC) 20 30 40 50 60 70 80 90
The coefficient of friction decreases with increasing load. Housing Plain bearings Shaft Temperature [°C]
Surface finishes (Ra) of the shaft between 0.6-0.7µm are 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,
ideal. 0-3 +0.000 +0.010 +0.014 +0.054 -0.025 +0.000 function of temperature (15MPa 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 54 160
> 6-10 +0.000 +0.015 +0.025 +0.083 -0.036 +0.000 12
rotating
> 10-18 +0.000 +0.018 +0.032 +0.102 -0.043 +0.000 10 oscillating
Shaft materials > 18-30 +0.000 +0.021 +0.040 +0.124 -0.052 +0.000 +23°C +60°C 120
Diagram 06 shows results of testing different shaft materials > 30-50 +0.000 +0.025 +0.050 +0.150 -0.062 +0.000 8
with plain bearings made from iglidur A160. For rotational > 50-80 +0.000 +0.030 +0.060 +0.180 -0.074 +0.000 6 80
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applications with low loads, the most interesting, media > 80-120 +0.000 +0.035 +0.072 +0.212 -0.087 +0.000 4 40
and corrosion-resistant shaft materials 304 stainless steel, > 120-180 +0.000 +0.040 +0.085 +0.245 -0.100 +0.000 Deformation [%] 2 Wear [µm/km]
high grade steel and hard-chromed steel reveal themselves 0 0
as particularly good mating partners. On high grade steel Table 05: Important tolerances for plain bearings according 0 3 6 9 12 15 5 10 15 20
shafts, however, the wear increases the fastest with the to ISO 3547-1 after press-fit Load [MPa] Load [MPa]
load (diagram 06). With Cf53 shafts, the wear in pivoting Diagram 03: Deformation under pressure and temperature Diagram 07: Wear for oscillating and rotating applications
applications is exemplary compared to rotating applications. with shaft material Cf53 hardened and ground steel, as a
In rotation the wear, as with many other iglidur materials, function of the load
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is higher than when pivoting (diagram 07). 0.6
Shaft materials, page 56 0.5
0.4
Installation tolerances 0.3
iglidur A160 plain bearings are standard bearings for Coefficient of friction [µ] 0.2
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shafts with h-tolerance (recommended minimum h9). The 0.1
bearings are designed for press-fit into a housing machined
to a H7 tolerance. After being assembled into a nominal 0.0
0.1
0.2
size housing, the inner diameter automatically adjusts to Surface speed [m/s] 0.3 0.4 0.5
the E10 tolerances.
Testing methods, page 61 ASEAN 09/2023 ASEAN 09/2023 Diagram 04: Coefficient of friction as a function of the
surface speed, p = 1MPa

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