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Inspection after installation of thrust bearing

by:JNSN     2021-12-12
When installing the thrust bearing, the verticality of the shaft ring and the shaft center line should be checked. The method is to fix the dial indicator on the end surface of the case, make the contact of the indicator rest on the raceway of the bearing shaft ring while rotating the bearing while observing the dial indicator pointer. When the box shell hole is deep, it can also be inspected with an extended dial gauge.   When the thrust bearing is installed correctly, its seat ring can automatically adapt to the rolling of the rolling elements to ensure that the rolling elements are located in the upper and lower ring raceways. If it is installed backwards, not only the bearing will not work properly, but also the mating surfaces will be severely worn. Since the difference between the shaft ring and the seat ring is not very obvious, you should be extra careful during the assembly and make no mistake. In addition, there should be a gap of 0.2-0.5mm between the seat ring of the thrust bearing and the bearing seat hole to compensate for the errors caused by inaccurate parts processing and installation. When the center of the bearing ring is shifted during operation, this gap It can be ensured that it is automatically adjusted, avoiding contact and friction, and making it work normally. Otherwise, it will cause severe damage to the bearing.
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