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iglidur A500 iglidur A500
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+250°C +250°C
120MPa 120MPa
Bearing technology | Plain bearings | iglidur A500 Technical data
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Permissible surface speeds Chemicals Resistance 1,000 0.7
iglidur A500 also permits high surface speeds due to its Alcohols + 100 0.6
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high temperature resistance. The coefficient of friction rises Diluted acids + 0.5
however by these high speeds leading to a higher heating Diluted alkalines + 10 0.4
up of the bearing. Tests show that plain bearings made Fuels + 0.3
from iglidur A500 are more wear-resistant in the case of Greases, oils without additives + Surface pressure [MPa] 1 Coefficient of friction [µ] 0.2
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pivoting movements, and the permissible pv values are Hydrocarbons + 0.1
also higher in pivoting applications. Strong acids + 0.1 0.001 0.01 0.1 1.0 10.0 0.0
Surface speed, page 48 Strong alkalines + 0 10 20 30 40 50 60 70
Surface speed [m/s] Load [MPa]
All data given at room temperature [+20°C]
Temperature Diagram 01: Permissible pv values for iglidur A500 with a Diagram 05: Coefficient of friction as a function of the
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iglidur A500 plain bearings can be used at temperatures Table 02: Chemical resistance wall thickness of 1mm dry operation against a steel shaft at pressure, v = 0.01m/s
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Chemical table, page 1170
up to +300°C for short periods. When temperatures +20°C, mounted in a steel housing
increase, the compressive strength of iglidur A500 plain Rotating Oscillating linear
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bearings decreases. Diagram 02 shows this inverse Long-term m/s 0.6 0.4 1.0 160 30
relationship. The temperatures prevailing in the bearing Short-term m/s 1.0 0.7 2.0 140 27
system also have an influence on the wear. For temperatures 120 24
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over +130°C an additional securing is required. Table 03: Maximum surface speeds 100 18
Application temperatures, page 53 Dry Greases Oil Water 80 15 Free cutting steel Cf53, hard chromed 304 stainless steel
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Additional securing, page 53 60 9 H.a. aluminium HR carbon steel High grade steel
Coefficient of friction μ 0.26-0.41 0.09 0.04 0.04 40 6 Cf53 steel
Table 04: Coefficient of friction against steel (Ra = 1μm, Load [MPa] 20 Wear [µm/km] 3
Friction and wear 0 0
The coefficient of friction is dependent on the load that 50HRC) 20 50 80 120 150 200 250
acts on the bearing (diagrams 04 and 05). Housing Plain bearings Shaft Temperature [°C]
Coefficient of friction and surfaces, page 51 Ø d1 [mm] H7 [mm] F10 [mm] h9 [mm] Diagram 02: Maximum recommended surface pressure as a Diagram 06: Wear, rotating with different shaft materials,
Wear resistance, page 54 function of temperature (120MPa at +20°C) pressure, p = 1MPa, v = 0.3m/s
0-3 +0.000 +0.010 +0.006 +0.046 -0.025 +0.000
> 3-6 +0.000 +0.012 +0.010 +0.058 -0.030 +0.000
Shaft materials > 6-10 +0.000 +0.015 +0.013 +0.071 -0.036 +0.000 10 200
Diagram 06 shows results of testing different shaft > 10-18 +0.000 +0.018 +0.016 +0.086 -0.043 +0.000 rotating
oscillating
materials with plain bearings made from iglidur A500. The > 18-30 +0.000 +0.021 +0.020 +0.104 -0.052 +0.000 8 +23°C 160
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combination "iglidur A500/hard-chromed shaft" clearly > 30-50 +0.000 +0.025 +0.025 +0.125 -0.062 +0.000 6 +60°C 120
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stands out in rotating application. Up to about 2.0MPa, > 50-80 +0.000 +0.030 +0.030 +0.150 -0.074 +0.000 4 80
the wear of this combination remains largely independent > 80-120 +0.000 +0.035 -0.036 +0.176 -0.087 +0.000
of load. In pivoting applications with Cf53 shafts, the wear > 120-180 +0.000 +0.040 +0.043 +0.203 +0.000 +0.100 Deformation [%] 2 Wear [µm/km] 40
resistance is better than in rotations under equal load. If 0 0
the shaft material you plan on using is not shown in these Table 05: Important tolerances for plain bearings according 0 20 40 60 80 100 120 0 10 20 30 40 50
test results, please contact us. to ISO 3547-1 after press-fit Load [MPa] Load [MPa]
Shaft materials, page 56 Diagram 03: Deformation under pressure and temperature Diagram 07: Wear for oscillating and rotating applications
with shaft material Cf53 hardened and ground steel, as a
Installation tolerances function of the load
iglidur A500 plain bearings are standard bearings for 0.5
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shafts with h tolerance (recommended minimum h9). 0.4
The bearings are designed for press-fit into a housing
machined to a H7 tolerance. After being assembled into a 0.3
nominal size housing, in standard cases the inner diameter Coefficient of friction [µ]
automatically adjusts to the F10 tolerances. For particular 0.2
dimensions the tolerance differs depending on the wall
thickness (please see product range table). 0.1
0.05
0.10
Testing methods, page 61 Surface speed [m/s] 0.15 0.20 0.25 0.30 0.35
ASEAN 09/2023 ASEAN 09/2023 Diagram 04: Coefficient of friction as a function of the

surface speed, p = 0.75MPa

420 3D-CAD, finder and service life calculation ... www.igus-asean.com/A500 Lubrication-free made easy ... from stock ... no minimum order quantity 421