Page 198 - IGUS Bearing

iglidur J3B iglidur J3B
®
®
+90°C +90°C
44MPa 44MPa
Bearing technology | Plain bearings | iglidur J3B Technical data
®
General properties Testing method

Density g/cm³ 1.42 -50°C up to
Ø Colour black +90°C
6.0-20.0mm
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 0.08-0.17 44MPa
pv value, max. (dry) MPa · m/s 0.50
Also available
as: Mechanical properties
Proven long-life material in black Flexural modulus MPa 2,895 DIN 53457
DIN 53452
65
MPa
Flexural strength at +20°C
Wear-resistant endurance runner up to 10MPa Compressive strength MPa n.s.
Bar stock, Max. permissible surface pressure (+20°C) MPa 44
round bar
Page 743 Shore D hardness 76 DIN 53505
The proven long-life material iglidur J3 is now available in black as well. The endurance runner is a
®
specialist for pivoting and pulsating loads and also media-resistant. Physical and thermal properties
● Aesthetically suitable Max. application temperature long-term °C +90 FOOD
● Low coefficient of friction Max. application temperature short-term °C +110
● Is especially long-lasting in the most varied of applications Min. application temperature °C -50
Bar stock, ● Low moisture absorption Thermal conductivity W/m · K 0.30 ASTM C 177
plate -1 -5
Page 773 Coefficient of thermal expansion (at +23°C) K · 10 12.7 DIN 53752
Typical application areas Electrical properties
● Furniture industry Specific transitional resistance Ωcm > 10 12 DIN IEC 93
● Sports and leisure Surface resistance Ω > 10 12 DIN 53482
● Two-wheel technology Table 01: Material properties
tribo-tape liner
Page 781 With respect to its general mechanical and thermal Resistance to weathering
specifications, iglidur J3B is directly comparable to our iglidur J3B plain bearings have not yet been tested for
®
®
classic, iglidur J. their resistance to weathering. Please consult igus if
®
®
you're planning to use them outdoors.
Moisture absorption
The moisture absorption of iglidur J3B plain bearings in Mechanical properties
®
Guide rings
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 J3B plain bearings decreases. Diagram 02 shows
®
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 J3B
®
flange
®
bearings in vacuum is only possible with dehumidified iglidur J3B at radial loads. At the recommended maximum surface
Page 667 Slide property – +
bearings. pressure of 44MPa 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 3 · 10² Gy. Surface pressure, page 45
Moulded Resistant to edge pressures – +
special parts
Page 696 Resistant to shock and impact loads – +

Dirt resistance – +

®
igubal Online product finder Online service life calculation
spherical balls
Page 993 www.igus-asean.com/iglidur-finder www.igus-asean.com/iglidur-expert ASEAN 09/2023 ASEAN 09/2023
196 3D-CAD, finder and service life calculation ... www.igus-asean.com/J3B Lubrication-free made easy ... from stock ... no minimum order quantity 197