The actual service life of the bearing is long and short, depending on the selection of the bearing, the actual working conditions, the lubrication state, the quality of the bearing itself, etc.; the use of large-scale units, key equipment, continuous production equipment The bearings are replaced regularly, and replaced with the overhaul of the unit for about three years; the bearings in the small equipment and intermittent production units are determined according to the usage. Of course, the bearings of large units (such as Sinopec) are also determined to be replaced according to the online inspection of the bearings.
Under normal circumstances, if the following conditions occur, it needs to be replaced.
1. When the design life of the bearing expires under normal use
2. When an unexpected external impact occurs
3. When abnormal noise is emitted under the working condition of the bearing
4, visual inspection found that the bearing is damaged, rusted, etc.
