Page 89 - IGUS Bearing

iglidur G iglidur G
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+130°C +130°C
80MPa 80MPa
Bearing technology | Plain bearings | iglidur G Technical data
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General properties Testing method

Density g/cm³ 1.46 -40°C up to
Ø Colour matt grey +130°C
1.5-195.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.7 DIN 53495
Max. moisture absorption % weight 4.0
Coefficient of friction, dynamic, against steel µ 0.08-0.15 80MPa
pv value, max. (dry) MPa · m/s 0.42
Also available
as: Mechanical properties
The classic all-rounder Flexural modulus MPa 7,800 DIN 53457
DIN 53452
210
MPa
Flexural strength at +20°C
Excellent price-performance ratio Compressive strength MPa 78
Bar stock, Max. permissible surface pressure (+20°C) MPa 80
round bar
Page 743 Shore D hardness 81 DIN 53505
iglidur G plain bearings cover an extremely wide range of different requirements - they are truly "all-round".
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Therefore, the material is rightly called universal. Typical applications include medium to high loads, medium Physical and thermal properties
surface speeds and medium temperatures. Max. application temperature long-term °C +130 FOOD
● Over 650 sizes available from stock Max. application temperature short-term °C +220
● High wear resistance Min. application temperature °C -40
Bar stock, ● Resistant to dirt Thermal conductivity W/m · K 0.24 ASTM C 177
plate -1 -5
Page 773 ● Cost-effective Coefficient of thermal expansion (at +23°C) K · 10 9 DIN 53752
● Lubrication-free Electrical properties
● Maintenance-free Specific transitional resistance Ωcm > 10 13 DIN IEC 93
● Resistant to dirt Surface resistance Ω > 10 11 DIN 53482
Table 01: Material properties
tribo-tape liner Typical application areas
Page 781 ● Agricultural machines iglidur G is the decathlete among iglidur materials. It Resistance to weathering
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● Construction machinery industry performs exceedingly well in all technical disciplines and is iglidur G plain bearings are resistant to weathering. The
● Sports and leisure the classic all-rounder, primarily with respect to the overall material properties are slightly affected. Discolouration
● Automotive industry general, mechanical, thermal and tribological specifications. occurs.
● Mechatronics
● Machine building Moisture absorption Mechanical properties
Guide rings
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Page 641 The moisture absorption of iglidur G plain bearings in With increasing temperatures, the compressive strength
ambient conditions is approximately 0.7 % weight. The of iglidur G plain bearings decreases. Diagram 02 shows
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Descriptive technical specifications saturation limit submerged in water is 4.0% weight. This this inverse relationship. With the long-term permitted
Wear resistance at +23°C – + must be taken into account for these types of applications. application temperature of +130°C, the permitted
surface pressure still amounts to 35MPa. The maximum
Wear resistance at +90°C – +
Vacuum recommended surface pressure is a mechanical material
Two hole Wear resistance at +150°C – + In vacuum, any present moisture is released as vapour. Use parameter. No conclusions regarding the tribological
flange
bearings in vacuum is only possible with dehumidified iglidur G1 properties can be drawn from this.
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Page 667 Slide property – +
bearings. Diagram 03 shows the elastic deformation of iglidur G
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Wear resistance under water – + at radial loads. The plastic deformation is minimal up to
Radiation resistance a pressure of approximately 100MPa. However, it is also
Media resistance – +
Plain bearings made from iglidur G are resistant up to a dependent on the service time.
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Moulded Resistant to edge pressures – + radiation intensity of 3 · 10² Gy. Surface pressure, page 45
special parts
Page 696 Resistant to shock and impact loads – +
Dirt resistance – +

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