The five fault rule sliding bearing

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abec 9 bearings - China Manufacturer

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1) tile surface corrosion: spectra showed abnormal concentration of non-ferrous metal elements; iron spectrum submicron wear particles of many non-ferrous metal components; lubricants excessive moisture, acid value exceeding. abec 9 bearings
2) journal surface corrosion: spectra showed abnormal concentration of iron, iron spectrum the many iron components submicron particles, lubricants excessive moisture or acid value exceeded.
3) journal surface strain: Ferrography, cutting abrasive or black oxide particles of iron-based metal surface tempering color.
4) tile back fretting wear: spectra showed abnormal iron concentration, the many iron content in the sub-micron wear particles in the iron spectrum, lubricants moisture and acid abnormalities.
5) bearing surface strain: Ferrography in cutting abrasive, abrasive ingredients for the non-ferrous metal. cross bearing