Page 389 - IGUS Bearing

iglidur H3 iglidur H3
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+200°C +200°C
40MPa 40MPa
Bearing technology | Plain bearings | iglidur H3 Technical data
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General properties Testing method

Density g/cm³ 1.41 -40°C up to
Ø Colour grey +200°C
3.0-50.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.2 DIN 53495
Max. moisture absorption % weight 0.5
Coefficient of friction, dynamic, against steel µ 0.08-0.17 40MPa
pv value, max. (dry) MPa · m/s 0.7
Also available
as: Mechanical properties
Chemical resistance Flexural modulus MPa 2,760 DIN 53457
MPa
Flexural strength at +20°C
68
DIN 53452
Excellent coefficient of friction and wear Compressive strength MPa n.s.
Bar stock, Max. permissible surface pressure (+20°C) MPa 40
round bar
Page 743 Shore D hardness 75 DIN 53505
iglidur H3 is the first choice when long service life is required in extreme environmental conditions. Extreme
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wear resistance is coupled with excellent resistance to temperature and media - not only in the food and Physical and thermal properties
packaging industries or the automotive industry. Max. application temperature long-term °C +200 FOOD
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● More wear-resistant than iglidur H1 Max. application temperature short-term °C +240
● Low moisture absorption Min. application temperature °C up to -40
Bar stock, ● Resistant to many chemicals Thermal conductivity W/m · K 0.25 ASTM C 177
plate -1 -5
Page 773 Coefficient of thermal expansion (at +23°C) K · 10 6 DIN 53752
Typical application areas Electrical properties
● Beverage industry Specific transitional resistance Ωcm n.s. DIN IEC 93
● Automation Surface resistance Ω > 10 12 DIN 53482
● Packaging Table 01: Material properties
tribo-tape liner ● Textile industry
Page 781 ● Optical industry iglidur H3 plain bearings have been specially developed Resistance to weathering
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for use under extreme environmental conditions. Their iglidur H3 plain bearings are continuously resistant
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strengths are the extremely high wear resistance and the to weathering. The material properties are only slightly
excellent coefficient of friction even in applications in which affected. Possible discolourations are only superficial.
the bearing is exposed to extreme temperatures and/or
aggressive chemicals. iglidur H3 plain bearings can be Mechanical properties
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Guide rings
Page 641 used completely free of lubrication; in wet area applications, With increasing temperatures, the compressive strength of
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the surrounding medium acts as additional lubricant. iglidur H3 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 H3 plain bearings conclusions regarding the tribological properties can be
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Wear resistance at +90°C – +
in ambient conditions is approximately 0.2% weight. drawn from this.
Two hole Wear resistance at +150°C – + The saturation limit submerged in water is 0.5% weight. Diagram 03 shows the elastic deformation of iglidur H3
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flange
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bearings Therefore iglidur H3 is very well suited for use in wet at radial loads. Among the iglidur H materials, iglidur H3
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Page 667 Slide property – +
environments. material has the greatest flexibility. This must be considered
Wear resistance under water – + for applications with high surface pressure or edge loads.
Vacuum Surface pressure, page 45
Media resistance – +
In vacuum, any present moisture is released as vapour.
Moulded Resistant to edge pressures – + The use in vacuum is generally possible.
special parts
Page 696 Resistant to shock and impact loads – +
Radiation resistance
Dirt resistance – + Plain bearings made from iglidur H3 are resistant up to a
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radiation intensity of 2 · 10² Gy.

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spherical balls
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386 3D-CAD, finder and service life calculation ... www.igus-asean.com/H3 Lubrication-free made easy ... from stock ... no minimum order quantity 387