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                    Inherent vibration of 1.spherical roller bearing structure
                    (1) the outer ring is regarded as an inherent vibration caused by an elastic body.
                    (2) the outer ring is regarded as the inherent vibration caused by the steel body.
                    (3) the steel ball is regarded as the inherent vibration of the steel body.
                    2. forced vibration
                    (1) the vibration caused by the rolling body cycle through the loading line of the rolling body through the vibration of the spherical roller bearing.
                    (2) vibration caused by manufacturing error of spherical roller bearing parts.
                    3. shock vibration
                    The raceway surface or the surface of the rolling body there are scratches, burrs, rust, corrosion, spalling pits and dust etc. exist, excite the spherical roller of bearing pulse vibration. The period of the pulse is inversely proportional to the speed, and the amplitude is related to the size of the defect.
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