Bearing professor teaches you to identify bearings

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Bearing professor teaches you to identify bearings
Source: China Bearing Network Time: 2013-09-25
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1 feel method. 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 fingers to perform axial shaking; No significant squeaking noise.
2 Use high-input symbol equipment; in order to establish the company's brand image; avoid products being counterfeited; FAG bearing manufacturers choose laser symbol machine; expect to establish company image; connect with the world; use high input to control products being counterfeited; Because the laser symbol machine uses computer control; symbol fonts, size and other modifications to the advantages of convenience; not only can effectively block counterfeiting; instead, add difficulty to the counterfeiters.
3 bearing steel use of raw materials; Germany FAG bearings are produced by individual professional steel mills; in hardness and finer than the impersonation of FAG bearings.
4 investigation method. Investigate the rolling bearing with the naked eye; the raceway in the table should have no shedding 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. No damage, no wear; no gap with the roll.
5 transformation method. 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.
6 Of course, it depends on the price. If the price is lower than normal, it may be a false claim. Donâ€™t buy a penny. The price is really high, so the import is very expensive.
When viewing; should combine the above five experience methods; in order to facilitate the correct judgment of the skill status of the rolling bearing.
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