Page 167 - IGUS Bearing

iglidur J iglidur J
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+90°C +90°C
35MPa 35MPa
Bearing technology | Plain bearings | iglidur J Technical data
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General properties Testing method

Density g/cm³ 1.49 -50°C up to
Ø Colour yellow +90°C
1.5-120.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.3 DIN 53495
Max. moisture absorption % weight 1.3
Coefficient of friction, dynamic, against steel µ 0.06-0.18 35MPa
pv value, max. (dry) MPa · m/s 0.34
Also available
as: Mechanical properties
The versatile endurance runner Flexural modulus MPa 2,400 DIN 53457
73
MPa
Flexural strength at +20°C
DIN 53452
Strong performer on most shafts, very low Compressive strength MPa 60
Bar stock, Max. permissible surface pressure (+20°C) MPa 35
round bar coefficient of friction
Page 743 Shore D hardness 74 DIN 53505
Physical and thermal properties
One main advantage of iglidur J plain bearings is the combination of a low coefficient of friction in dry Max. application temperature long-term °C +90
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operation and the low stickslip tendency. With a maximum recommended surface pressure of 35MPa, Max. application temperature short-term °C +120 FOOD
iglidur J plain bearings are not suitable for extreme loads. Min. application temperature °C -50
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Bar stock, ● Over 250 sizes available from stock Thermal conductivity W/m · K 0.25 ASTM C 177
plate ● High wear resistance -1 -5
Page 773 Coefficient of thermal expansion (at +23°C) K · 10 10 DIN 53752
● Low coefficient of friction Electrical properties
● Vibration-dampening Specific transitional resistance Ωcm > 10 13 DIN IEC 93
● Chemical-resistant Surface resistance Ω > 10 12 DIN 53482
● Recommended for soft shafts Table 01: Material properties
● Low moisture absorption
tribo-tape liner
Page 781 One main advantage of iglidur J plain bearings is the Resistance to weathering
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Typical application areas combination of a low coefficient of friction in dry operation iglidur J plain bearings are resistant to weathering. The
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● Automation and the low stickslip tendency. material properties are slightly affected. Discolouration
● Printing industry occurs.
● Beverage industry Moisture absorption
● Aerospace engineering The moisture absorption of iglidur J plain bearings in Mechanical properties
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Guide rings ● Cleanroom
Page 641 ambient conditions is approximately 0.3% weight. The With increasing temperatures, the compressive strength of
saturation limit submerged in water is 1.3% weight. These iglidur J plain bearings decreases. Diagram 02 shows this
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Descriptive technical specifications values are so low that a moisture expansion need to be inverse relationship. With the long-term permitted application
Wear resistance at +23°C – + considered only in extreme cases. temperature of +90°C, the permitted surface pressure
still amounts to 20MPa. The maximum recommended
Wear resistance at +90°C – +
Vacuum surface pressure is a mechanical material parameter. No
Two hole Wear resistance at +150°C – + In vacuum, any present moisture is released as vapour. conclusions regarding the tribological properties can be
flange
bearings Use in vacuum is only possible with dehumidified iglidur J drawn from this.
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Page 667 Slide property – +
bearings. With a maximum recommended surface pressure of
Wear resistance under water – + 35MPa, iglidur J plain bearings are not suitable for
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Radiation resistance extreme loads. Diagram 03 shows the elastic deformation
Media resistance – +
Plain bearings made from iglidur J are resistant up to a of iglidur J at radial loads.
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Moulded Resistant to edge pressures – + 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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164 3D-CAD, finder and service life calculation ... www.igus-asean.com/J Lubrication-free made easy ... from stock ... no minimum order quantity 165