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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Industry solutions

 

When to use it? When a long-lasting plain bearing is required for tough operating conditions (agricultural equipment, construction machinery, etc.) with medium to high dynamic loads on "soft" shafts

When not to use it? When sustained static loads greater than 55MPa occur iglidur® G, sleeve bearing, mm iglidur® Q2, sleeve bearing, mm iglidur® Q, sleeve bearing, mm When a very wear resistant bearing is required on "soft" shafts at low loads iglidur® J, sleeve bearing, mm iglidur® J3, sleeve bearing, mm When temperatures greater than +140°C occur continuously iglidur® J350, sleeve bearing, mm iglidur® Z, sleeve bearing, mm

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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.
iglidur® - assembling, gluing, machining