Page 629 - IGUS Bearing

iglidur B iglidur B
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+100°C +100°C
40MPa 40MPa
Bearing technology | Plain bearings | iglidur B Technical data
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General properties Testing method

Density g/cm³ 1.15 -40°C up to
Ø Colour grey +100°C
–
Max. moisture absorption at +23°C/50% r.h. % weight 1 DIN 53495
Max. moisture absorption % weight 6.3
Coefficient of friction, dynamic, against steel µ 0.18-0.28 40MPa
pv value, max. (dry) MPa · m/s 0.15
Also available
as: Mechanical properties
The variable one Flexural modulus MPa 1,800 DIN 53457
Flexural strength at +20°C
55
DIN 53452
MPa
For simple bearing applications Compressive strength MPa 20
Bar stock, Max. permissible surface pressure (+20°C) MPa 40
round bar
Page 743 Shore D hardness 69 DIN 53505
Vibration dampening is the predominant feature of the iglidur B material, which are also well-suited for
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edge loads at low pressure. Physical and thermal properties
● Elimination of noise Max. application temperature long-term °C +100 FOOD
● High flexibility Max. application temperature short-term °C +130
● Sealing function possible Min. application temperature °C -40
Bar stock, ● Lubrication-free Thermal conductivity W/m · K 0.24 ASTM C 177
plate -1 -5
Page 773 ● Maintenance-free Coefficient of thermal expansion (at +23°C) K · 10 12 DIN 53752
Electrical properties
Specific transitional resistance Ωcm > 10 10 DIN IEC 93
Surface resistance Ω > 10 9 DIN 53482
Table 01: Material properties
tribo-tape liner
Page 781 The compressive strength of the iglidur B plain bearings Resistance to weathering
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is on the one hand low, but on the other, is an important iglidur B plain bearings have limited resistance to weathering.
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property of the bearing. They are mainly used where The material properties are affected. Discolouration
vibration dampening and acoustic separation are required. occurs. Practical tests under real application conditions
are recommended.
Moisture absorption
Guide rings
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Page 641 The moisture absorption of iglidur B plain bearings in Mechanical properties
ambient conditions is approximately 1% weight. The With increasing temperatures, the compressive strength
Descriptive technical specifications saturation limit submerged in water is 6.3% weight. This of iglidur B plain bearings decreases. Diagram 02 shows
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Wear resistance at +23°C – + must be taken into account for these types of applications. this inverse relationship. The maximum recommended
surface pressure is a mechanical material parameter. No
Wear resistance at +90°C – +
Vacuum conclusions regarding the tribological properties can be
Two hole Wear resistance at +150°C – + In vacuum, any present moisture is released as vapour. drawn from this.
flange
bearings Use in vacuum is only possible with dehumidified iglidur B Diagram 03 shows the elastic deformation of iglidur B
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Page 667 Slide property – +
bearings. at radial loads. At the maximum recommended surface
Wear resistance under water – + pressure of 40MPa the deformation is about 5.3%.
Radiation resistance Surface pressure, page 45
Media resistance – +
Plain bearings made from iglidur B are resistant up to a
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Moulded Resistant to edge pressures – + radiation intensity of 3 · 10² Gy.
special parts
Page 696 Resistant to shock and impact loads – +
Dirt resistance – +

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