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Precautions when acquiring bearings

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Regarding the purchaser of the bearing; the bearing is qualified; whether the standard used in the production is a basic skill. If the homework is not done well, then it will leave behind for the safety and normal production. Danger. Therefore; as far as the purchaser is concerned; it is necessary to learn to judge the quality of the bearing. For the repairman and the bearing personnel; this is also a necessary lesson.
Top of the list: Bearings usually use high-carbon steel that resists tortuosity, but the disadvantage of this steel is that it is brittle and fragile. It’s very fragile to hit the sound with iron.
Second: Take two bearings and look at its hardness enough.
Third: When you work, you can't hear too much noise inside.
Fourth: to buy a caliper 100 yuan up and down its scale is not enough.
The method is actually quite simple. But it is necessary to use these methods well; it is necessary to be in theory; a lot of practice and theory.

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