Page 515 - IGUS Bearing

iglidur M260 iglidur M260
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+120°C +120°C
40MPa 40MPa
Bearing technology | Plain bearings | iglidur M260 Technical data
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General properties Testing method

Density g/cm³ 1.35 -100 °C to
Ø Colour black +120 °C
20.0-60.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.2 DIN 53495
Max. moisture absorption % weight 0.4
Coefficient of friction, dynamic, against steel µ 0.08-0.16 40MPa
pv value, max. (dry) MPa · m/s 0.35
Also available
as: Mechanical properties
For heavy duty Flexural modulus MPa 2,200 DIN 53457
DIN 53452
60
MPa
Flexural strength at +20°C
Wear-resistant at medium temperatures and loads Compressive strength MPa 50
Bar stock, Max. permissible surface pressure (+20°C) MPa 40
round bar
Page 743 Shore D hardness 77 DIN 53505
iglidur M260 was specially developed for the application in harsh environments. Special attention was
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paid during development to ensure the material can be used for injection-moulded thick-walled bearings. Physical and thermal properties
Therefore iglidur M260 is well-suited for applications in which thick-walled bearings are used or replaced, Max. application temperature long-term °C +120 FOOD
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which are at the same robust. Max. application temperature short-term °C +140
● Excellent coefficient of friction Min. application temperature °C up to -100
Bar stock, ● Low moisture absorption Thermal conductivity W/m · K 0.24 ASTM C 177
plate -1 -5
Page 773 Coefficient of thermal expansion (at +23°C) K · 10 13 DIN 53752
Typical application areas Electrical properties
● Automation Specific transitional resistance Ωcm n.s.
● Plant construction Surface resistance Ω > 10 10 DIN 53482
● Test engineering and quality assurance Table 01: Material properties
tribo-tape liner ● Robotics industry
Page 781 ● Electronics industry Similar to the classic, iglidur J, iglidur M260 is an Resistance to weathering
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endurance runner with outstanding wear behaviour, but iglidur M260 plain bearings are continuously resistant
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provides increased reserves at its long-term application to weathering. The material properties are only slightly
temperature of +120°C. affected. Possible discolourations are only superficial.

Moisture absorption Mechanical properties
Guide rings
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Page 641 The moisture absorption of iglidur M260 plain bearings With increasing temperatures, the compressive strength of
in ambient conditions is approximately 0.2% weight. The iglidur M260 plain bearings decreases. Diagram 02 shows
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Descriptive technical specifications saturation limit submerged in water is 0.4% weight. These this inverse relationship. The maximum recommended
Wear resistance at +23°C – + values are so low that a moisture expansion need to be surface pressure is a mechanical material parameter. No
considered only in extreme cases. conclusions regarding the tribological properties can be
Wear resistance at +90°C – +
drawn from this.
Two hole Wear resistance at +150°C – + Vacuum Diagram 03 shows the elastic deformation of iglidur M260
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flange
bearings In vacuum, any present moisture is released as vapour. Use as a function of radial pressure. At the recommended
Page 667 Slide property – +
in vacuum is only possible with dehumidified iglidur M260 maximum surface pressure of 40MPa the deformation is
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Wear resistance under water – + bearings. less than 2.5% at room temperature. A possible deformation
could be, among others, dependant on the duty cycle
Media resistance – +
Radiation resistance of the load.
Moulded Resistant to edge pressures – + They are resistant up to a 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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