Page 385 - IGUS Bearing

iglidur H2 iglidur H2
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+200°C +200°C
110MPa 110MPa
Bearing technology | Plain bearings | iglidur H2 Technical data
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Permissible surface speeds Product range 1,000 0.30
During the development of iglidur H2, costs and iglidur H2 plain bearings are manufactured to special 100 0.25
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mechanical stability were the main considerations. The order. Please request iglidur H2 plain bearings as an 0.20
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permitted surface speeds of this bearing are rather alternative to iglidur H and iglidur H4 bearings in high 10 0.15
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low, which primarily permits an application with slow volume applications. 0.10
movements or in intermittent service. Surface pressure [MPa] 1 Coefficient of friction [µ] 0.05
Surface speed, page 48
Chemicals Resistance 0.1 0.00
Temperature Alcohols + 0.001 0.01 0.1 1.0 10.0 0 10 20 30 40 50 60 70 80
iglidur H2 is an extremely temperature-resistant material. Diluted acids + up to 0 Surface speed [m/s] Load [MPa]
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The short-term maximum temperature permitted is +240°C Diluted alkalines + Diagram 01: Permissible pv values for iglidur H2 plain Diagram 05: Coefficient of friction as a function of the
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and allows the use of iglidur H2 plain bearings in applications Fuels + bearing with a wall thickness of 1mm dry operation against pressure, v = 0.01m/s
where the bearings are not subjected to any additional Greases, oils without additives + a steel shaft at +20°C, mounted in a steel housing
load such as a paint drying process. The temperatures Hydrocarbons +
prevailing in the bearing system also have an influence on Strong acids 0 up to – 160 25.0
the wear. The wear rises with increasing temperatures. Strong alkalines + 140
For temperatures over +110°C an additional securing is All data given at room temperature [+20°C] 120 20.0
required. Table 02: Chemical resistance 100 15.0
Application temperatures, page 53 Chemical table, page 1170 80 10.0 Free cutting steel Cf53, hard chromed 304 stainless steel
Additional securing, page 53 60 H.a. aluminium HR carbon steel High grade steel
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Rotating Oscillating linear 20 Wear [µm/km] 5.0 Cf53 steel
Friction and wear Long-term m/s 0.9 0.6 2.5 Load [MPa] 0 0.0
The coefficient of friction of iglidur H2 plain bearings Short-term m/s 1.0 0.7 3.0 20 50 80 120 150 200
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change with different surface speeds, loads and surface Table 03: Maximum surface speeds Temperature [°C]
finishes, as indicated in the diagrams 04 and 05. Diagram 02: Maximum recommended surface pressure as a Diagram 06: Wear, rotating with different shaft materials,
Coefficient of friction and surfaces, page 51 Dry Greases Oil Water function of temperature (110MPa at +20°C) pressure, p = 1MPa, v = 0.3m/s
Wear resistance, page 54 Coefficient of friction μ 0.07-0.30 0.09 0.04 0.04
Table 04: Coefficient of friction against steel (Ra = 1μm, 6 150
Shaft materials 50HRC) 5 125 rotating
Regarding the wear resistance of combinations with 4 +23°C 100 oscillating
iglidur H2, it must be indicated once again that this Housing Plain bearings Shaft +60°C
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bearing was developed for statically high mechanical Ø d1 [mm] H7 [mm] F10 [mm] h9 [mm] 3 75
stability. The wear resistance however does not attain, 0-3 +0.000 +0.010 +0.006 +0.046 -0.025 +0.000 2 50
with none of the bearing-shaft combinations, the values > 3-6 +0.000 +0.012 +0.010 +0.058 -0.030 +0.000 Deformation [%] 1 Wear [µm/km] 25
of iglidur H370 with the corresponding shaft. When > 6-10 +0.000 +0.015 +0.013 +0.071 -0.036 +0.000 0 0
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the iglidur H2 bearings are used, they should not be > 10-18 +0.000 +0.018 +0.016 +0.086 -0.043 +0.000 0 10 20 30 40 50 60 70 80 90 100 110 Cf53 hard 304SS HR carbon
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combined with hard-chromed shafts. Shafts made from > 18-30 +0.000 +0.021 +0.020 +0.104 -0.052 +0.000 Load [MPa] chromed steel
Cf53 steel and 304 stainless steel are essentially better, > 30-50 +0.000 +0.025 +0.025 +0.125 -0.062 +0.000 Diagram 03: Deformation under pressure and temperature Diagram 07: Wear for rotating and oscillating applications
as is found in diagrams 06 and 07. > 50-80 +0.000 +0.030 +0.030 +0.150 -0.074 +0.000 with different shaft materials, p = 2MPa
Shaft materials, page 56 > 80-120 +0.000 +0.035 -0.036 +0.176 -0.087 +0.000
> 120-180 +0.000 +0.040 +0.043 +0.203 +0.000 +0.100 0.4
Installation tolerances Table 05: Important tolerances for plain bearings according
iglidur H2 plain bearings are standard bearings for to ISO 3547-1 after press-fit 0.3
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shafts with h-tolerance (recommended minimum h9).
The bearings are designed for press-fit into a housing Coefficient of friction [µ] 0.2
machined to a H7 tolerance. After being assembled into a
nominal size housing, in standard cases the inner diameter
automatically adjusts to the F10 tolerances. For particular 0.1
0.05
0.10
dimensions the tolerance differs depending on the wall Surface speed [m/s] 0.15 0.20 0.25 0.30 0.35
thickness (please see product range table).
Testing methods, page 61 ASEAN 09/2023 ASEAN 09/2023 Diagram 04: Coefficient of friction as a function of the
surface speed, p = 0.75MPa

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