Page 148 - IGUS Bearing

iglidur K iglidur K
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+170°C +170°C
50MPa 50MPa
Bearing technology | Plain bearings | iglidur K Technical data
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General properties Testing method

Density g/cm³ 1.52 -40°C up to
Ø Colour yellow-beige +170°C
6.0-20.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.1 DIN 53495
Max. moisture absorption % weight 0.6
Coefficient of friction, dynamic, against steel µ 0.06-0.21 50MPa
pv value, max. (dry) MPa · m/s 0.30
Also available
as: Mechanical properties
Versatile and cost-effective Flexural modulus MPa 3,500 DIN 53457
Flexural strength at +20°C
80
DIN 53452
MPa
For medium temperatures and wet environments Compressive strength MPa 60
Bar stock, Max. permissible surface pressure (+20°C) MPa 50
round bar
Page 743 Shore D hardness 72 DIN 53505
iglidur K is the cost-effective general purpose bearing for medium temperatures, low moisture absorption
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and good environmental resistance. Physical and thermal properties
● Low moisture absorption Max. application temperature long-term °C +170 FOOD
● Wear-resistant Max. application temperature short-term °C +240
● Cost-effective Min. application temperature °C -40
Bar stock, ● Lubrication-free Thermal conductivity W/m · K 0.25 ASTM C 177
plate -1 -5
Page 773 ● Maintenance-free Coefficient of thermal expansion (at +23°C) K · 10 3 DIN 53752
Electrical properties
Typical application areas Specific transitional resistance Ωcm > 10 12 DIN IEC 93
● Printing industry Surface resistance Ω > 10 12 DIN 53482
● Electronics industry Table 01: Material properties
tribo-tape liner ● Packaging
Page 781 ● Medical technology iglidur K is characterised by its good wear characteristics Resistance to weathering
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● Polymer processing machines at low moisture absorption and good thermal and iglidur K plain bearings are resistant to weathering. The
mechanical specifications. This supports a very universal material properties are slightly affected. Discolouration
application spectrum. occurs.

Moisture absorption Mechanical properties
Guide rings
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Page 641 The moisture absorption of iglidur K plain bearings in With increasing temperatures, the compressive strength
ambient conditions is approximately 0.1% weight. The of iglidur K plain bearings decreases. Diagram 02 shows
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Descriptive technical specifications saturation limit submerged in water is 0.6% weight. These this inverse relationship. The maximum recommended
Wear resistance at +23°C – + values are so low that a moisture expansion need to be surface pressure is a mechanical material parameter. No
considered only in extreme cases. conclusions regarding the tribological properties can be
Wear resistance at +90°C – +
drawn from this.
Two hole Wear resistance at +150°C – + Vacuum Diagram 03 shows the elastic deformation of iglidur K
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flange
bearings In vacuum, any present moisture is released as vapour. at radial loads. At the maximum recommended surface
Page 667 Slide property – +
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Use in vacuum is only possible with dehumidified iglidur K pressure of 50MPa, the deformation is less than 3%. A
Wear resistance under water – + bearings. possible deformation could be, among others, dependant
on the duty cycle of the load.
Media resistance – +
Radiation resistance Surface pressure, page 45
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Moulded Resistant to edge pressures – + Plain bearings made from iglidur K are resistant up to a
special parts radiation intensity of 5 · 10² Gy.
Page 696 Resistant to shock and impact loads – +

Dirt resistance – +

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igubal Online product finder Online service life calculation
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146 3D-CAD, finder and service life calculation ... www.igus-asean.com/K Lubrication-free made easy ... from stock ... no minimum order quantity 147