Page 270 - IGUS Bearing

iglidur J200 iglidur J200
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+90°C +90°C
23MPa 23MPa
Bearing technology | Plain bearings | iglidur J200 Technical data
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Permissible surface speeds Installation tolerances 100.0 0.70
iglidur J200 allows high surface speeds due to its iglidur J200 plain bearings are standard bearings for 10.0 0.60
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excellent coefficient of friction. Continuous rotation speeds shafts with h-tolerance (recommended minimum h9). The 0.50
of 1.0m/s are possible. The permitted speeds are clearly bearings are designed for press-fit into a housing machined 1.0 0.40
higher yet in linear movements or in short-term operation. to a H7 tolerance. After being assembled into a nominal 0.30
Speeds of over 15.0m/s have already been successfully size housing, the inner diameter automatically adjusts to Surface pressure [MPa] 0.1 Coefficient of friction [µ] 0.20
tested in linear applications. the E10 tolerances. For particular dimensions the tolerance 0.10
Surface speed, page 48 differs depending on the wall thickness (please see product 0.01 0.001 0.01 0.1 1.0 10.0 0.00
range table). 0 5 10 15 20
Temperature Testing methods, page 61 Surface speed [m/s] Load [MPa]
The maximum permissible temperature of +120°C should Diagram 01: Permissible pv values for iglidur J200 with a Diagram 05: Coefficient of friction as a function of the
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not be exceeded. Therefore the ambient temperature Product range wall thickness of 1mm dry operation against a steel shaft at pressure, v = 0.01m/s
generated by friction has to be added. From +60°C iglidur J200 plain bearings are manufactured to special +20°C, mounted in a steel housing
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upwards, the bearing should be mechanically retained, order.
so as to avoid the bearing moving out of the hole. The 25 5.0
wear resistance also decreases exponentially from +70°C Chemicals Resistance 4.5
upwards. Alcohols + 20 4.0
3.5
Application temperatures, page 53 Diluted acids 0 up to – 15 3.0
Additional securing, page 53 Diluted alkalines + 10 2.5 Free cutting steel Cf53, hard chromed 304 stainless steel
2.0
Fuels + 1.5 H.a. aluminium HR carbon steel High grade steel
Friction and wear Greases, oils without additives + 5 Wear [µm/km] 1.0 Cf53 steel
0.5
Among all the iglidur materials, iglidur J200 exhibits Hydrocarbons + Load [MPa] 0 0.0
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the lowest coefficient of friction. The average coefficient Strong acids – 20 30 40 50 60 70 80 90
of friction of all measurements, even with different shaft Strong alkalines + up to 0 Temperature [°C]
materials, is 0.11μ. The use of hard-anodised aluminium as All data given at room temperature [+20°C] Diagram 02: Maximum recommended surface pressure as a Diagram 06: Wear, rotating with different shaft materials,
a shaft material is also of importance. The comparison with Table 02: Chemical resistance function of temperature (23MPa at +20°C) pressure, p = 1MPa, v = 0.3m/s
the rest of the iglidur materials shows that iglidur J200 Chemical table, page 1170
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plain bearings are suitable for rather low loads. The 10.0 80
influence of surface speed and load on the coefficient of Rotating Oscillating linear 70 rotating
friction is small. The change of the coefficient of friction Long-term m/s 1.0 0.7 10.0 8.0 +23°C 60 oscillating
at high loads is in the normal range (diagrams 04 and Short-term m/s 1.5 1.1 15.0 6.0 +60°C 50
05). Surface finishes (Ra) of the shaft between 0.2-0.4 µm Table 03: Maximum surface speeds 4.0 40
30
are ideal. The influence of the shaft material on the wear 20
resistance is significant. Even at low loads, we recommend Dry Greases Oil Water Deformation [%] 2.0 Wear [µm/km] 10
to have a closer look into the wear database. Coefficient of friction μ 0.11-0.17 0.09 0.04 0.04 0.0 0
Coefficient of friction and surfaces, page 51 Table 04: Coefficient of friction against steel (Ra = 1μm, 0 8 16 24 0 5 10 15 20 25
Wear resistance, page 54 50HRC) Load [MPa] Load [MPa]
Diagram 03: Deformation under pressure and temperature Diagram 07: Wear for oscillating and rotating applications
Shaft materials Housing Plain bearings Shaft with shaft material Cf53 hardened and ground steel, as a
The shaft material has a great impact on the wear Ø d1 [mm] H7 [mm] E10 [mm] h9 [mm] function of the load
resistance. In fact, all shaft materials (smooth or hardened) 0-3 +0.000 +0.010 +0.014 +0.054 -0.025 +0.000 0.5
are suitable for use with iglidur J200, but the best results > 3-6 +0.000 +0.012 +0.020 +0.068 -0.030 +0.000 0.4
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are achieved with hard-anodised aluminium. In particular > 6-10 +0.000 +0.015 +0.025 +0.083 -0.036 +0.000
when used in linear motion, this running surface has proven > 10-18 +0.000 +0.018 +0.032 +0.102 -0.043 +0.000 0.3
its value. > 18-30 +0.000 +0.021 +0.040 +0.124 -0.052 +0.000 Coefficient of friction [µ]
Shaft materials, page 56 > 30-50 +0.000 +0.025 +0.050 +0.150 -0.062 +0.000 0.2
> 50-80 +0.000 +0.030 +0.060 +0.180 -0.074 +0.000
> 80-120 +0.000 +0.035 +0.072 +0.212 -0.087 +0.000 0.1
> 120-180 +0.000 +0.040 +0.085 +0.245 -0.100 +0.000 0.05 0.10 0.15 0.20
Surface speed [m/s]
ASEAN 09/2023 ASEAN 09/2023 surface speed, p = 0.75MPa
Table 05: Important tolerances for plain bearings according Diagram 04: Coefficient of friction as a function of the
to ISO 3547-1 after press-fit

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