Page 274 - IGUS Bearing

iglidur E7 iglidur E7
®
®
+70°C +70°C
18MPa 18MPa
Bearing technology | Plain bearings | iglidur E7 Technical data
®
General properties Testing method

Density g/cm³ 1.05 -50°C up to
Ø Colour dark grey +70°C
6.0-20.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.1 DIN 53495
Max. moisture absorption % weight 0.1
Coefficient of friction, dynamic, against steel µ 0.09-0.23 18MPa
pv value, max. (dry) MPa · m/s 0.22
Also available
as: Mechanical properties
Ideal for pivoting movement Flexural modulus MPa 1,477 DIN 53457
Flexural strength at +20°C
DIN 53452
22
MPa
Vibration-dampening with low coefficient of friction Compressive strength MPa 18
Bar stock, Max. permissible surface pressure (+20°C) MPa 18
round bar for low or medium loads
Page 743 Shore D hardness 61 DIN 53505
Physical and thermal properties
For the first time, the material iglidur E7, well-known from drylin linear technology, is also available as Max. application temperature long-term °C +70
®
®
a plain bearing. Plain bearings made of the material offer excellent coefficient of friction and wear with Max. application temperature short-term °C +90 FOOD
low to medium loads. Min. application temperature °C -50
Bar stock, ● Noise-dampening Thermal conductivity W/m · K 0.24 ASTM C 177
plate ● Low coefficient of friction -1 -5
Page 773 Coefficient of thermal expansion (at +23°C) K · 10 25 DIN 53752
● Lubrication-free Electrical properties
● Corrosion-free Specific transitional resistance Ωcm >10 9 DIN IEC 93
Surface resistance Ω >10 9 DIN 53482
Typical application areas
● Packaging industry Table 01: Material properties
tribo-tape liner
Page 781 ● Textile industry The material E7 offers good vibration-dampening properties. Resistance to weathering
● Furniture/Industrial design
With low coefficient of friction at low and medium loads, the iglidur E7 plain bearings are continuously resistant to
®
material is a suitable partner for almost all shaft materials. weathering. The material properties are only slightly
affected. Possible discolourations are only superficial.
Moisture absorption
The moisture absorption of iglidur E7 plain bearings in Mechanical properties
®
Guide rings
Page 641 ambient conditions is approximately 0.1% weight. The With increasing temperatures, the compressive strength of
®
saturation limit submerged in water is 0.1% weight. These iglidur E7 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
Wear resistance at +90°C – +
Vacuum be drawn from this. At the maximum permissible load of
Two hole Wear resistance at +150°C – + In vacuum, any present moisture is released as vapour. 18MPa, the deformation is approximately 3.5% (diagram
flange
bearings The use in vacuum is generally possible. 03). A plastic deformation can be negligible up to this value.
Page 667 Slide property – +
However, it is also dependent on the service time.
Wear resistance under water – + Radiation resistance
Plain bearings made from iglidur E7 are resistant up to a Surface pressure, page 45
®
Media resistance – +
radiation intensity of 3 · 10² Gy.
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
272 3D-CAD, finder and service life calculation ... www.igus-asean.com/E7 Lubrication-free made easy ... from stock ... no minimum order quantity 273