Page 436 - IGUS Bearing

iglidur A200 iglidur A200
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+80°C +80°C
18MPa 18MPa
Bearing technology | Plain bearings | iglidur A200 Technical data
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General properties Testing method

Density g/cm³ 1.14 -40 °C up to
Ø Colour white +80 °C
1.0-32.0mm
Max. moisture absorption at +23°C/50% r.h. % weight 1.5 DIN 53495
Max. moisture absorption % weight 7.6
Coefficient of friction, dynamic, against steel µ 0.10-0.40 18MPa
pv value, max. (dry) MPa · m/s 0.09
Also available
as: Mechanical properties
The "food-classic" for low duty Flexural modulus MPa 2,500 DIN 53457
Flexural strength at +20°C
116
DIN 53452
MPa
FDA-compliant Compressive strength MPa 54
Bar stock, Max. permissible surface pressure (+20°C) MPa 18
round bar
Page 743 Shore D hardness 81 DIN 53505
FDA-compliant material for applications with low to medium loads in immediate environs of (or contact)
with food or drugs. Physical and thermal properties
● FDA-compliant Max. application temperature long-term °C +80 FOOD
● Suitable for contact with food Max. application temperature short-term °C +170
● Suitable for low surface speeds Min. application temperature °C -40
Bar stock, ● Lubrication-free Thermal conductivity W/m · K 0.24 ASTM C 177
plate -1 -5
Page 773 ● Standard range from stock Coefficient of thermal expansion (at +23°C) K · 10 10 DIN 53752
● Maintenance-free Electrical properties
● Thrust washers available only in imperial sizes, from page 1147 Specific transitional resistance Ωcm > 10 13 DIN IEC 93
Surface resistance Ω > 10 12 DIN 53482
Typical application areas Table 01: Material properties
tribo-tape liner ● Food industry
Page 781 Plain bearings made from iglidur A200 are suitable for Radiation resistance
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application in direct contact with food. Hence they are Plain bearings made from iglidur A200 are resistant up to
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the ideal solution for bearing requirements in machines for a radiation intensity of 1 · 10⁴ Gy.
the food industry, medical equipment manufacturing, for
small equipment for households, etc. As the incorporation Resistance to weathering
of solid lubricants is dispensed with in favour of food iglidur A200 plain bearings are resistant to weathering.
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Guide rings
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Page 641 compatibility, the thermoplastic composition of iglidur A200 The material properties are significantly affected. Severe
is especially adjusted for abrasion resistance. In addition discolouration occurs. Applications with this material under
Descriptive technical specifications the iglidur A200 is characterised by its capacity to embed weathering conditions are not recommended.
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Wear resistance at +23°C – + dirt and by its quiet operating behaviour. The good wear
properties, dirt resistance and the possibility for dry Mechanical properties
Wear resistance at +90°C – +
operation allow to replace elaborately sealed, lubricated When temperatures increase, the compressive strength of
Two hole Wear resistance at +150°C – + bearings for little costs. iglidur A200 plain bearings decreases. Diagram 02 shows
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flange
bearings this inverse relationship. The maximum recommended
Page 667 Slide property – +
Moisture absorption surface pressure is a mechanical material parameter. No
Wear resistance under water – + The humidity absorption of iglidur A200 bearings amounts conclusions regarding the tribological properties can be
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to about 1.5% weight in standard climatic conditions. The drawn from this.
Media resistance – +
saturation limit submerged in water is 7.6% weight. This Diagram 03 shows the elastic deformation of iglidur A200
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Moulded Resistant to edge pressures – + must be taken into account for these types of applications. under different loads. At the maximum recommended
special parts surface pressure of 18MPa, the deformation is less than
Page 696 Resistant to shock and impact loads – +
Vacuum 2%. A plastic deformation can be negligible up to this
Dirt resistance – + In vacuum, any present moisture is released as vapour. value. However, it is also dependent on the service time.
The use in vacuum is only possible to a limited extent. Surface pressure, page 45

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