Page 549 - IGUS Bearing

iglidur F iglidur F
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+140°C +140°C
105MPa 105MPa
Bearing technology | Plain bearings | iglidur F Technical data
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General properties Testing method

Density g/cm³ 1.25 -40°C up to
Ø Colour black +140°C
2.0-70.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 1.8 DIN 53495
Max. moisture absorption % weight 8.4
Coefficient of friction, dynamic, against steel µ 0.10-0.39 105MPa
pv value, max. (dry) MPa · m/s 0.34
Also available
as: Mechanical properties
Electrically conductive Flexural modulus MPa 11,600 DIN 53457
DIN 53452
260
MPa
Flexural strength at +20°C
Pressure-resistant Compressive strength MPa 98
Bar stock, Max. permissible surface pressure (+20°C) MPa 105
round bar
Page 743 Shore D hardness 84 DIN 53505
Outstanding rigidity and hardness as well as high conductivity: iglidur F plain bearings can only be
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used in dry operations to a limited extent, but offer their fully mechanical benefits when lubricated with Physical and thermal properties
oil and grease. Max. application temperature long-term °C +140 FOOD
● Electrically conductive Max. application temperature short-term °C +180
● High compressive strength Min. application temperature °C -40
Bar stock, ● High temperature resistance Thermal conductivity W/m · K 0.65 ASTM C 177
plate -1 -5
Page 773 ● High pv values Coefficient of thermal expansion (at +23°C) K · 10 12 DIN 53752
● Chemical-resistant Electrical properties 5)
Specific transitional resistance Ωcm < 10 3 DIN IEC 93
Typical application areas Surface resistance Ω < 10 2 DIN 53482
● Textile industry 5) The good conductivity of this material can favour the generation of corrosion on the metallic contact components.
tribo-tape liner ● Automotive industry Table 01: Material properties
Page 781
When plain bearings need to be electrically conductive, Resistance to weathering
especially in applications that should keep out static, iglidur F plain bearings have limited resistance to weathering.
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iglidur F is the right choice. Moreover, the iglidur F The material properties are affected. Discolouration
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plain bearings are extremely pressure-resistant. At room occurs. Practical tests under real application conditions
temperature, they could be statically loaded up to 105MPa. are recommended.
Guide rings
Page 641
Moisture absorption Mechanical properties
Descriptive technical specifications The moisture absorption of iglidur F plain bearings in With increasing temperatures, the compressive strength of
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Wear resistance at +23°C – + ambient conditions is approximately 1.8% weight. The iglidur F plain bearings decreases. Diagram 02 shows this
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saturation limit submerged in water is 8.4% weight. This inverse relationship. With the long-term permitted application
Wear resistance at +90°C – +
must be taken into account for these types of applications. temperature of +140°C, the permitted surface pressure
Two hole Wear resistance at +150°C – + still amounts to 50MPa. The maximum recommended
flange
bearings Vacuum surface pressure is a mechanical material parameter. No
Page 667 Slide property – +
In vacuum, any present moisture is released as vapour. conclusions regarding the tribological properties can be
Wear resistance under water – + Use in vacuum is only possible with dehumidified iglidur F drawn from this.
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bearings. Diagram 03 shows the elastic deformation of iglidur F
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Media resistance – +
at radial loads. At the recommended maximum surface
Moulded Resistant to edge pressures – + Radiation resistance pressure of 105MPa the deformation is less than 3% at
special parts Plain bearings made from iglidur F are resistant up to a room temperature. A plastic deformation can be negligible
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Page 696 Resistant to shock and impact loads – +
radiation intensity of 3 · 10² Gy. up to this value. However, it is also dependent on the
Dirt resistance – + service time.
Surface pressure, page 45

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