Check the correct method of bearing failure

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For just use bearing novice, will often have no experience. They do not know how to operate them bearing potential problems. Today, I put these experiences with you a rough introduction.

(1) observation. Rolling with the naked eye, there should be no external raceway spalling traces and severe wear, and was an arc-shaped groove; all rolling surface should be no spots, cracks and peeling phenomenon; cage should not be loose, no damage, not worn , but a large gap with the rolling elements.ball roller bearing

(2) texture method. Normal bearing inner and outer ring and rolling gap of 0.005 to 0.010 mm. Have used a stage for rolling bearing inner race with your fingers axial shaking, there should be no obvious Kuang moving sound.

(3) Turn France. With one hand holding the bearing inner race, the other hand turning outer race, the bearings should be flexible rotation, and should not feel the radial shaking.china bearing manufacturer

Inspection, the three kinds of empirical methods should combine in order to facilitate the technical state of rolling bearings to make the right judgments. The tapered roller bearing , the rolling element is also observed in the middle of the outer ring, if the forward, shall not more than 1.5 mm.