Identify the quality of the bearing, there are tricks

Source: China Bearing Network Time: 2014-01-08

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1. Investigate the rolling bearing with the naked eye; the raceway in the table should have no detachment marks and severe wear; and it should be in the shape of a circular groove. All the tumbling surface should be free from mottle, crack and peeling. The cage should not be loose or damaged. Not worn out; the gap with the roll is not too big.
2. The gap between the inner race and the roll of the normal bearing is 0. 005 to 0. 010 mm. For the rolling bearing that has been used for one period; when the inner race is pinched with the fingers for axial shaking; The squeaking sound.
3. Hold the inner race of the bearing with one hand; change the outer race with the other hand; the bearing should be sensitive to change; and the radial sway should not be felt.
4. Whether the steel printing can be clarified is also the main point of discrimination.

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