How to use the empirical method checks Rolling

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    Some machine hand the lack of experience of the identification of rolling bearings rolling bearings there is no obvious damage will continue to use, so that later cause serious failure. Some people just remove the rolling bearing, without checking to be replace d, and sometimes you can continue to use the bearings replaced. Technical condition of rolling bearings should be a dedicated tester to check some data available dial indicator measurement. But for the general machine hand, do not have these conditions, the available empirical methods cursory check. roll bearings

    (1) observation. Rolling with the naked eye observation, inside and outside the raceway should be no peeling off traces of serious wear and tear, and was a circular grooves; all the rolling surface should be free of spots, cracks and peeling phenomenon; cage should not be loose, no damage, not worn But with the rolling body clearance.

    (2) feel method. Inside and outside of the normal bearing seat and rolling element gap of 0.005 to 0.010 mm. Has used a phase of the rolling bearing, the axial shake with your finge rs to pinch the inner race should be no obvious the Kuang dynamic sound. china bearing company

    (3) rotation method. Bearing seat with one hand gripping the other hand, rotating the outer race bearings should be able to rotate flexibly, but should not feel the radial shaking.

    Inspection, should be the three kinds of empirical methods combine to make the right judgments in order to facilitate the technical state of rolling bearings. Tapered roller bearings, but also to observe the rolling element is located in the middle of the outer ring, if forward and should not be more than 1.5 mm. bearing company