The sound characteristics of automotive bearings in the work, only in this way can accurately judge whether there is abnormal, when the rolling bearings in the work, under normal circumstances, smooth running, light, no stagnation, the sound harmonious and no noise, can hear the uniform and continuous "clang clang" sound. Or lower "boom". Noise intensity. Now that you know the FAG bearings under the normal state of the sound, then we can according to these as standard to judge the cause of abnormal circumstances:
First, when heard the car bearing a uniform and continuous "hissing" sound by rolling in and outside the graph rotation and vibration, including metal sound with irregular and speed. ". The general performance of the bearing grease is insufficient, should be added. If the equipment down time is too long, especially in the cold winter, automotive bearings running sometimes issue "hissing rustling" sound, the car bearing radial clearance and smaller, lubricating grease penetration becomes small. Should be appropriate to adjust the automobile bearing clearance, the new grease replacement penetration point.

Second, when the automobile bearing in continuous "clang clang" sound issued uniform periodic "Ho," the sound is caused by the roller and raceway scars, groove, rust spots. Cycle and FAG bearing is proportional to the speed of sound. Replace with automobile bearing.
Third, when a car bearing a discontinuous "Terrier Terrier" the sound is caused by the holder or the inner and outer rings rupture. Must be replaced immediately stop car bearing.
Fourth, when the automobile bearing issue is not the law, not uniform because the sound is caused by auto bearing into iron, sand and other impurities. Sound intensity is small, no contact with the revolution. In response to the FAG bearing cleaning, re fat or oil.
Fifth, saw the car bearing in a continuous and irregular "rustling" sound and the general automobile bearing inner ring and shaft fit too loose or outer ring and the bearing hole with too loose relationship. Sound intensity is larger, check with the relationship between coping FAG bearings, found that the problem timely repair.