Page 239 - IGUS Bearing

iglidur L350 iglidur L350
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+180 °C +180 °C
59MPa 59MPa
Bearing technology | Plain bearings | iglidur L350 Technical data
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General properties Testing method

Density g/cm³ 1.54 -100 °C up to
Ø Colour dark grey +180 °C
3.0-10.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 0.4 DIN 53495
Max. moisture absorption % weight 1.4
Coefficient of friction, dynamic, against steel µ 0.07-0.18 59MPa
pv value, max. (dry) MPa · m/s 3.00
Also available
as: Mechanical properties
For high rotational speeds Flexural modulus MPa 15,882 DIN 53457
DIN 53452
210
MPa
Flexural strength at +20°C
High performance at lower cost Compressive strength MPa 210
Bar stock, Max. permissible surface pressure (+20°C) MPa 59
round bar
Page 743 Shore D hardness 80 DIN 53505
iglidur L350 is extremely long-lasting. Developed for the best coefficient of wear and friction at speeds
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of 1.5m/s and more, this material outperforms classic plain bearings in high-speed rotation operation. Physical and thermal properties
● Up to 3.5m/s rotating Max. application temperature long-term °C +180 FOOD
● Temperature-resistant up to +210°C in continuous use Max. application temperature short-term °C +210
● Low moisture absorption Min. application temperature °C -100
Bar stock, ● Good price-performance ratio Thermal conductivity W/m · K 0.61 ASTM C 177
plate -1 -5
Page 773 ● Extremely wear-resistant Coefficient of thermal expansion (at +23°C) K · 10 7 DIN 53752
● Lubrication and maintenance-free Electrical properties
● Standard range from stock Specific transitional resistance Ωcm > 10 5 DIN IEC 93
Surface resistance Ω > 10 5 DIN 53482
Typical application areas Table 01: Material properties
tribo-tape liner ● Electric motors
Page 781 ● Fans With iglidur L350, another lubrication and maintenance- Resistance to weathering
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● Household appliances free material is now available, which is designed for iglidur L350 plain bearings have not yet been tested for
continuous high speeds. Due to the low thermal expansion their resistance to weathering. Please consult igus if
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and low moisture absorption, bearings can be manufactured you're planning to use them outdoors.
with very little clearance. iglidur L350 is especially suitable
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for use in fans, blowers or electric motors – and the costs Mechanical properties
Guide rings
Page 641 are also lower. When temperatures increase, the compressive strength of
iglidur L350 plain bearings decreases. Diagram 02 shows
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Descriptive technical specifications Moisture absorption this inverse relationship. The maximum recommended
Wear resistance at +23°C – + The very low moisture absorption of 0.4 %weight in surface pressure is a mechanical material parameter. No
standard climatic conditions and 1.4 %weight at maximum conclusions regarding the tribological properties can be
Wear resistance at +90°C – +
water absorption also enables continuous operation in high drawn from this.
Two hole Wear resistance at +150°C – + humidity or in liquid media. Diagram 03 shows the elastic deformation of iglidur L350
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flange
bearings under different loads. At the recommended maximum
Page 667 Slide property – +
Vacuum surface pressure of 59MPa the deformation is less than
Wear resistance under water – + In vacuum, the moisture content is released as vapour. Due 2.5% at room temperature. A plastic deformation can be
to its low moisture absorption, use in a vacuum is possible. negligible up to this value. It is however also dependent
Media resistance – +
on the duty cycle of the load.
Moulded Resistant to edge pressures – + Radiation resistance Surface pressure, page 45
special parts Plain bearings made from iglidur L350 are resistant up to
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Page 696 Resistant to shock and impact loads – +
a radiation intensity of 2 · 10² Gy. Higher radiation affects
Dirt resistance – + the material and may result in a significant decrease in
mechanical properties.

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igubal Online product finder Online service life calculation
spherical balls
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236 3D-CAD, finder and service life calculation ... www.igus-asean.com/L350 Lubrication-free made easy ... from stock ... no minimum order quantity 237