FAG spherical roller bearings from Schaeffler Group Industrial for use in vibrating screens now provide an even longer service life. This is due to the improved displacement function of the exciter shaft which has been achieved through the bearings’ new thin-layer chrome plated bore. This coating is resistant to weather influences, water, vapor, alkaline solutions, photographic developers and even some types of acids. It ensures reduced frictional corrosion between bearing bore and shaft and in most cases avoids it completely. Furthermore it leads to a clearly improved wear behavior of bearings operating in unlubricated condition or conditions of mixed friction.



The coating is molecularly bonded to the base material and resists high loads. The bearings principal dimensions as well as their tolerances of form and position correspond to standard values. A change of adjacent components is not required and the installation sequence can remain unchanged.

Vibrating screens are mainly used for sorting and classifying goods. Along with other vibrating units they belong to the most highly stressed types of machines. Spherical roller bearings with the new thin chromium plated bore ensure that the displacement between bearing bore and shaft is possible for a long period of operation.

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