iglidur® Q290 | Medium to high loads, especially on soft shafts
iglidur® Q290 shows a good performance in robust swivel applications, such as those frequently found in agricultural machines, especially on “soft” shafts (e. g. galvanised). The wear on the shafts is minimal and service life is excellent.
Typical applications
Agriculture
Construction machinery
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Tolerances and measuring system
The installation dimensions and tolerances of the iglidur® plain bearings depend on the material and wall thickness. For each material, the moisture absorption and the thermal expansion are decisive factors. Plain bearings with low moisture absorption can be installed with a smaller bearing clearance. The rule for wall thickness: the thicker the wall of the bearings, the larger the clearances must be.
Testing methods
Assembly
iglidur® plain bearings are press-fit bearings. The inner diameter is only adjusted to the appropriate tolerance after pressing into the housing hole. The press-fit excess dimension can be up to 2% of the inner diameter. This ensures the secure press-fitting of the bearings. Axial or radial movements in the housing are thus reliably avoided.
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