Notes on the regular maintenance of imported bearings

Source: China Bearing Network Time: 2017-12-30

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When inspecting the imported bearings and equipment, and checking the imported bearings that have been dismantled when replacing the external parts, it is necessary to determine whether the secondary imported bearing parts can be reused and the application conditions are better or worse. Carefully inquire and record the imported bearings and appearances that have been removed. In order to clarify and query the remaining amount of lubricant; sample the future; to clean the imported bearings well.
Secondly, check the raceway surface of the imported bearing; the condition of the rolling surface and the cooperation surface, and the wear condition of the cage, etc., whether there is damage or abnormality, especially to investigate the running track of the raceway surface. Determine whether the bearing can be used again; The degree of damage; machine function, importance, operating conditions, viewing cycle, etc. will come again in the future.
View the results; if it is found that the imported bearings are damaged and abnormal; please find out the reasons according to the appearance of the bearing damage; formulate countermeasures. Other; view the results; if there are the following shortcomings; the imported bearings can no longer be used; Replace the new bearing.
a. Any one of the inner and outer rings, the roll body and the cage has cracks and fragments.
b. The inner and outer rings and the rolling body are stripped.
c. 1. The raceway surface, ribs and roll body have obvious card injuries.
d. The wear of the cage is severe or the rivets are loose and fierce.
e. The raceway surface, the rolling body is rusty and flawed.
f. There are obvious indentations and marks on the rolling surface and the rolling body.
g. Creep on the inner diameter of the inner ring or the outer diameter of the outer ring.
h. Overheating discoloration is fierce.
i. Grease seal bearing seal and dust cover damage is severe.

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