Page 191 - IGUS Bearing

iglidur J3 iglidur J3
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+90°C +90°C
45MPa 45MPa
Bearing technology | Plain bearings | iglidur J3 Technical data
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General properties Testing method

Density g/cm³ 1.42 -50°C up to
Ø Colour yellow +90°C
2.0-50.0mm
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 0.06-0.20 45MPa
pv value, max. (dry) MPa · m/s 0.50
Also available
as: Mechanical properties
The new endurance runner: specialist for Flexural modulus MPa 2,700 DIN 53457
MPa
Flexural strength at +20°C
70
DIN 53452
pivoting applications and pulsating loads Compressive strength MPa 60
Bar stock, Max. permissible surface pressure (+20°C) MPa 45
round bar Up to 10MPa, up to three times more wear-
Page 743 Shore D hardness 73 DIN 53505
resistant than iglidur J Physical and thermal properties
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Max. application temperature long-term °C +90
FOOD
iglidur J3 is a material with improved wear resistance at low to medium loads and high speed. The service Max. application temperature short-term °C +120
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life is up to 300% longer than iglidur J - the proven top endurance runner material. Min. application temperature °C -50
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Bar stock, ● Low coefficient of friction Thermal conductivity W/m · K 0.25 ASTM C 177
plate -1 -5
Page 773 ● High media resistance Coefficient of thermal expansion (at +23°C) K · 10 13 DIN 53752
● Low moisture absorption Electrical properties
● PTFE-free Specific transitional resistance Ωcm > 10 12 DIN IEC 93
● Lubrication-free Surface resistance Ω > 10 12 DIN 53482
● Maintenance-free Table 01: Material properties
tribo-tape liner
Page 781 Typical application areas With respect to its general mechanical and thermal Resistance to weathering
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● Automation specifications, iglidur J3 is directly comparable to our iglidur J3 plain bearings are resistant to weathering. The
● Printing industry classic, iglidur J. material properties are slightly affected. Discolouration
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● Beverage industry occurs.
● Glass industry Moisture absorption
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● Aerospace engineering The moisture absorption of iglidur J3 plain bearings in Mechanical properties
Guide rings
Page 641 ambient conditions is approximately 0.3% weight. The When temperatures increase, the compressive strength of
saturation limit submerged in water is 1.3% weight. These iglidur J3 plain bearings decreases. Diagram 02 shows
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Descriptive technical specifications values are so low that a moisture expansion need to be this inverse relationship. The maximum recommended
Wear resistance at +23°C – + considered only in extreme cases. surface pressure is a mechanical material parameter. No
conclusions regarding the tribological properties can be
Wear resistance at +90°C – +
Vacuum drawn from this.
Two hole Wear resistance at +150°C – + In vacuum, any present moisture is released as vapour. Use Diagram 03 shows the elastic deformation of iglidur J3
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flange
bearings in vacuum is only possible with dehumidified iglidur J3 at radial loads. At the recommended maximum surface
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Page 667 Slide property – +
bearings. pressure of 45MPa the deformation is less than 6% at
Wear resistance under water – + room temperature. A possible deformation could be,
Radiation resistance among others, dependant on the duty cycle of the load.
Media resistance – +
They are resistant up to a radiation intensity of 1· 10⁴ Gy. Surface pressure, page 45
Moulded Resistant to edge pressures – +
special parts
Page 696 Resistant to shock and impact loads – +

Dirt resistance – +

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igubal Online product finder Online service life calculation
spherical balls
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188 3D-CAD, finder and service life calculation ... www.igus-asean.com/J3 Lubrication-free made easy ... from stock ... no minimum order quantity 189