Page 157 - IGUS Bearing

iglidur GLW iglidur GLW
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+100°C +100°C
80MPa 80MPa
Bearing technology | Plain bearings | iglidur GLW Technical data
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General properties Testing method

Density g/cm³ 1.36 -40°C up to
Ø Colour black +100°C
–
Max. moisture absorption at +23°C/50% r.h. % weight 1.3 DIN 53495
Max. moisture absorption % weight 5.5
Coefficient of friction, dynamic, against steel µ 0.10-0.24 80MPa
pv value, max. (dry) MPa · m/s 0.30
Also available
as: Mechanical properties
Low-cost material for high-volume production Flexural modulus MPa 7,700 DIN 53457
Flexural strength at +20°C
MPa
DIN 53452
235
For applications with mainly static loads Compressive strength MPa 74
Bar stock, Max. permissible surface pressure (+20°C) MPa 80
round bar
Page 743 Shore D hardness 78 DIN 53505
iglidur GLW plain bearings are preferred in applications with static load, where only occasional movement
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takes place. Physical and thermal properties
● Applications with static loads Max. application temperature long-term °C +100 FOOD
● Cost-effective Max. application temperature short-term °C +160
● Resistant to dirt Min. application temperature °C -40
Bar stock, ● Resistant to vibrations Thermal conductivity W/m · K 0.24 ASTM C 177
plate -1 -5
Page 773 ● Lubrication-free Coefficient of thermal expansion (at +23°C) K · 10 17 DIN 53752
● Maintenance-free Electrical properties
Specific transitional resistance Ωcm > 10 11 DIN IEC 93
Typical application areas Surface resistance Ω > 10 11 DIN 53482
● Automation Table 01: Material properties
tribo-tape liner ● Automotive
Page 781 ● Industrial handling With plain bearings made from iglidur GLW, we can offer The material properties are slightly affected. Discolouration
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our customers an alternative to iglidur G for high-volume occurs.
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production applications. Featuring similar mechanical
designed as iglidur G, iglidur GLW plain bearings are Mechanical properties
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primarily recommended for static loads. With regard to When temperatures increase, the compressive strength of
these applications, in which the dynamic properties of iglidur GLW plain bearings decreases. Diagram 02 shows
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Guide rings
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Page 641 iglidur G to a large extent are unimportant, iglidur GLW this inverse relationship. The maximum recommended
presents a cost-effective alternative. surface pressure is a mechanical material parameter. No
Descriptive technical specifications conclusions regarding the tribological properties can be
Wear resistance at +23°C – + Moisture absorption drawn from this.
The moisture absorption of iglidur GLW plain bearings Diagram 03 shows the elastic deformation of iglidur GLW
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Wear resistance at +90°C – +
in ambient conditions is approximately 1.3% weight. The as a function of radial pressure. At the recommended
Two hole Wear resistance at +150°C - + saturation limit submerged in water is 5.5% weight. This maximum surface pressure of 80MPa the deformation is
flange
bearings must be taken into account for these types of applications. less than 3% at room temperature. A plastic deformation
Page 667 Slide property – +
can be negligible up to this value. It is however also
Wear resistance under water - + Vacuum dependent on the duty cycle of the load.
In vacuum, any present moisture is released as vapour. Surface pressure, page 45
Media resistance – +
Moulded Resistant to edge pressures – + Radiation resistance
special parts Plain bearings made from iglidur GLW are resistant up to
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Page 696 Resistant to shock and impact loads – +
a radiation intensity of 3 · 10² Gy.
Dirt resistance – +
Resistance to weathering
iglidur GLW plain bearings are resistant to weathering.
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igubal Online product finder Online service life calculation
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