Page 495 - IGUS Bearing

iglidur Q iglidur Q
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+135°C +135°C
100MPa 100MPa
Bearing technology | Plain bearings | iglidur Q Technical data
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General properties Testing method

Density g/cm³ 1.40 -40°C up to
Ø Colour black +135°C
6.0-90.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.9 DIN 53495
Max. moisture absorption % weight 4.9
Coefficient of friction, dynamic, against steel µ 0.05-0.15 100MPa
pv value, max. (dry) MPa · m/s 0.55
Also available
as: Mechanical properties
The peak of stability Flexural modulus MPa 4,500 DIN 53457
Flexural strength at +20°C
MPa
DIN 53452
120
Long service life at medium to high loads Compressive strength MPa 89
Bar stock, Max. permissible surface pressure (+20°C) MPa 100
round bar
Page 743 Shore D hardness 83 DIN 53505
iglidur Q is the cost-effective solution for heavy-duty cycles with extreme loads. Plain bearings made from
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this material can be used in all types of motion, but is best suited for pivoting applications. Physical and thermal properties
● Very wear-resistant Max. application temperature long-term °C +135 FOOD
● Very high pv values Max. application temperature short-term °C +155
● Low coefficient of friction Min. application temperature °C -40
Bar stock, ● Resistant to dirt Thermal conductivity W/m · K 0.23 ASTM C 177
plate -1 -5
Page 773 ● Lubrication-free Coefficient of thermal expansion (at +23°C) K · 10 5 DIN 53752
● Standard range from stock Electrical properties
● Maintenance-free Specific transitional resistance Ωcm > 10 15 DIN IEC 93
Surface resistance Ω > 10 12 DIN 53482
Typical application areas Table 01: Material properties
tribo-tape liner ● Construction machinery industry
Page 781 ● Sheet metal industry iglidur Q plain bearings were developed especially for Resistance to weathering
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● Agricultural machines extreme loads. Under high loads, iglidur Q figures among iglidur Q plain bearings are resistant to weathering. The
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● Railway technology the iglidur materials that display the best wear resistance. material properties are slightly affected. Discolouration
● Doors and gates From a radial load of 25MPa, even plain bearings made occurs.
from the abrasion-resistant iglidur W300 are exceeded.
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Specific solid lubricants, precisely integrated into the Mechanical properties
Guide rings
Page 641 material, ensure that the maintenance-free dry operation With increasing temperatures, the compressive strength
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is guaranteed under any load. of iglidur Q plain bearings decreases. Diagram 02 shows
Descriptive technical specifications this inverse relationship. The maximum recommended
Wear resistance at +23°C – + Moisture absorption surface pressure is a mechanical material parameter. No
The moisture absorption of iglidur Q plain bearings in conclusions regarding the tribological properties can be
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Wear resistance at +90°C – +
ambient conditions is approximately 0.9% weight. The drawn from this.
Two hole Wear resistance at +150°C – + saturation limit submerged in water is 4.9% weight. This iglidur Q is a material used when high pv values are
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flange
bearings must be taken into account for these types of applications. reached with high loads. Diagram 03 shows the elastic
Page 667 Slide property – +
deformation of iglidur Q at radial loads. At the maximum
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Wear resistance under water – + Vacuum recommended surface pressure of 100MPa, the deformation
In vacuum, any present moisture is released as vapour. is less than 3%.
Media resistance – +
Use in vacuum is only possible with dehumidified iglidur Q Surface pressure, page 45
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Moulded Resistant to edge pressures – + bearings.
special parts
Page 696 Resistant to shock and impact loads – +
Radiation resistance
Dirt resistance – + Plain bearings made from iglidur Q are resistant up to a
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radiation intensity of 3 · 10² Gy.

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