Page 531 - IGUS Bearing

igutex TX2 igutex TX2
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+130°C +130°C
180MPa 180MPa
Bearing technology | Plain bearings | igutex TX2 Technical data
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General properties Testing method

Density g/cm³ 1.77 -60°C up to
Ø 20.0- Colour sliding layer black +130°C
80.0mm
Colour supporting layer reddish brown
Max. moisture absorption at +23°C/50% r.h. % weight 1.0 DIN 53495
Max. moisture absorption % weight 1.3 180MPa
Mechanical properties
Also available
as: Max. permissible surface pressure (+20°C) MPa 180
The technical shafts specialist Shore D hardness 91 DIN 53505
Physical and thermal properties
Wear-resistant under extreme loads Max. application temperature long-term °C +130
Bar stock, Max. application temperature short-term °C +140
round bar FOOD
Page 743 Min. application temperature °C -60
The new igutex TX2 bearings were developed for use in particularly heavily loaded applications. The
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high-strength, wound structure with integrated solid lubricants ensures low-friction and maintenance-free Electrical properties
operation - without any external lubrication. Specific transitional resistance Ωcm insulating DIN IEC 93
● Particularly low wear in heavy-duty areas Surface resistance Ω insulating DIN 53482
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● Up to three and a half times the wear resistance of igutex TX1 Table 01: Material properties
Bar stock, ● Good coefficient of wear and therefore a long service life
plate
Page 773
Typical application areas igutex TX2 plain bearings represent very high load Friction and wear
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● Agricultural engineering capacity with high radial loads and good abrasion Please note that a sliding surface with a rough surface
● Utility and construction vehicles resistance. The special design not only ensures excellent finish will increase the friction. Shafts that are too smooth
● Heavy equipments
dimensional stability due to the long-fibre winding but also also increase the coefficient of friction of the bearing.
tribo-tape liner
Page 781 allows lubrication and maintenance-free operation thanks Surface finishes (Ra) of the shaft between 0.4-0.7µm are
to solid lubricants. Dirt and media resistance round off the ideal. Furthermore, the coefficient of friction of igutex TX2
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list of properties. plain bearings largely depends on the speed and load. As
the surface speed increases, the coefficient of friction will
Permissible surface speeds quickly increase as well. With increasing load, the coefficient
Typical applications for igutex TX2 plain bearings are of friction however decreases continuously.
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Guide rings pivoting movements under high loads at comparatively
Page 641
low speeds. Shaft materials
Table 03 In high load applications, we generally recommend the
use of hardened shafts. This particularly applies when
Temperature using igutex TX2. However, acceptable wear rates are
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igutex TX2 is an extremely temperature-resistant material. also achieved on soft shafts with heavy-duty pivoting of
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Two hole The long-term upper temperature limit of +130°C permits less than 100MPa.
flange the broad use in applications typical for the agricultural, Shaft materials, page 56
bearings
Page 667 utility vehicle or construction equipment sectors. The
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press-in and press-out forces of igutex TX2 plain bearings Installation tolerances
are very high over the entire temperature range. As a result, igutex TX2 plain bearings are standard bearings for shafts
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additional axial securing is usually not necessary. Although with h-tolerance (recommended minimum h9). The bearings
these forces remain very high, a certain decrease can be are designed for press-fit into a housing machined to a
Moulded
special parts observed at temperatures above +100°C and, in some H7 tolerance.
Page 696 cases axial securing is therefore recommended above this
temperature.

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