What must be observed when mounting iglidur plain bearings?

iglidur plain bearings are press-fit bearings. The inner diameter adjusts itself only after the bearing has been press-fitted in the H7 housing hole with the recommended tolerance. 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 reliably avoided.

The hole in the housing should be made with the recommended tolerance (H7) for all bearings and be smooth, flat and chamfered. The bearing should be press-fitted using a flat press. The use of centring or calibrating pins can cause damage to the bearings and bring a greater amount of clearance.

iglidur plain bearings are press-fit bearings, which are dimensionally oversized and pressed into a housing with H7 tolerance. This is not always done in an assembly line using suitable tools. The igus assembly aid flexibly and reliably accepts plain bearings for shaft diameters from 13–50 mm (PT-1350) and 6–20 mm (PT-0620) and even permits assembly using a hammer - simple and fast.

It is not usually necessary to use an adhesive to fit the bearing. If a bearing is likely to lose its firm fit on account of high temperatures, a more temperature-resistant plain bearing should be used. If, however, there are plans to secure the bearings with adhesive, it will be necessary to perform suitable tests in each case. It is not possible to simply transfer the successful results seen in other applications.

iglidur® plain bearings are supplied ready for installation. The extensive product line makes it possible to use a standard dimension in most cases. If subsequent machining of the plain bearings is nevertheless necessary, the adjacent table shows the machining guide values. If possible, however, subsequent machining of the sliding surfaces should be avoided. Higher wear rate is most often the result. One exception is the B iglidur® M250, which is very well suited for subsequent machining. In other iglidur plain bearings, disadvantages of a sliding surface machining can be counteracted by lubrication during installation.