Page 481 - IGUS Bearing

iglidur Q2 iglidur Q2
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+130°C +130°C
120MPa 120MPa
Bearing technology | Plain bearings | iglidur Q2 Technical data
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General properties Testing method

Density g/cm³ 1.46 -40°C up to
Ø Colour beige-brown +130°C
4.0-120.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 1.1 DIN 53495
Max. moisture absorption % weight 4.6
Coefficient of friction, dynamic, against steel µ 0.22-0.42 120MPa
pv value, max. (dry) MPa · m/s 0.70
Also available
as: Mechanical properties
The durable heavy-duty bearing Flexural modulus MPa 8,370 DIN 53457
Flexural strength at +20°C
240
DIN 53452
MPa
Combined wear resistance and compressive Compressive strength MPa 130
Bar stock, Max. permissible surface pressure (+20°C) MPa 120
round bar strength at high loads
Page 743 Shore D hardness 80 DIN 53505
Physical and thermal properties
Where previous iglidur bearing solutions are limited within the scope of extreme loads and strong impact Max. application temperature long-term °C +130
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forces, the iglidur Q2 starts. Made for heavy-duty pivoting applications under extreme conditions. Max. application temperature short-term °C +200 FOOD
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● Wear-resistant Min. application temperature °C -40
Bar stock, ● Good price-performance ratio Thermal conductivity W/m · K 0.24 ASTM C 177
plate ● Lubrication-free -1 -5
Page 773 Coefficient of thermal expansion (at +23°C) K · 10 8 DIN 53752
● Maintenance-free Electrical properties
● High rigidity Specific transitional resistance Ωcm > 10 13 DIN IEC 93
● Suitable for high loads Surface resistance Ω > 10 11 DIN 53482
Table 01: Material properties
Typical application areas
tribo-tape liner
Page 781 ● Agricultural engineering iglidur Q2 plain bearings represent high load capacities Resistance to weathering
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● Utility and construction vehicles and good abrasion resistance at high loads. The price- iglidur Q2 plain bearings are continuously resistant
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● Mechanical engineering
performance ratio is outstanding. Solid lubricants reduce to weathering. The material properties are only slightly
the coefficient of friction and improve the resistance to affected. Possible discolourations are only superficial.
wear, which was markedly improved as compared to other
iglidur plain bearings, especially for heavily loaded pivoting Mechanical properties
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Guide rings
Page 641 applications. With increasing temperatures, the compressive strength of
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iglidur Q2 plain bearings decreases. Diagram 02 shows
Descriptive technical specifications Moisture absorption this inverse relationship. With the long-term permitted
Wear resistance at +23°C – + The moisture absorption of iglidur Q2 plain bearings in application temperature of +130°C, the permitted
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ambient conditions is approximately 1.1% weight. The surface pressure still amounts to 20MPa. The maximum
Wear resistance at +90°C – +
saturation limit submerged in water is 4.6% weight. This recommended surface pressure is a mechanical material
Two hole Wear resistance at +150°C – + must be taken into account for these types of applications. parameter. No conclusions regarding the tribological
flange
bearings properties can be drawn from this.
Page 667 Slide property – +
Vacuum Diagram 03 shows the elastic deformation of iglidur Q2
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Wear resistance under water – + In vacuum, any present moisture is released as vapour. at radial loads.
The use in vacuum is only possible to a limited extent. Surface pressure, page 45
Media resistance – +

Moulded Resistant to edge pressures – + Radiation resistance
special parts Plain bearings made from iglidur Q2 are resistant up to a
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Page 696 Resistant to shock and impact loads – +
radiation intensity of 3 · 10² Gy.
Dirt resistance – +

igubal Online product finder Online service life calculation
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spherical balls
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478 3D-CAD, finder and service life calculation ... www.igus-asean.com/Q2 Lubrication-free made easy ... from stock ... no minimum order quantity 479