Causes of bearing wear
1. Reduction of the metal's tensile strength; jagged scratches
2. Incorrectly planted; bright (polished stripes)
3. Scratched with dirt; dirt has eaten into the bearing surface
4. Lack of oil; the top layer has worn off
5. Excessive wear; the top layer has worn off over the entire surface
6. The bearing is deformed; the top layer has worn off in a circle
Article posted on an online resource www.OPELBOOK.ru
Even though old bearing shells are replaced with new ones during engine overhaul, it is necessary to carefully inspect the old shells. Inspection of the shell can reveal the cause of its wear.
Bearings fail due to lack of lubrication, dirt and other foreign particles, engine overload and corrosion. Leave the inspection and selection of crankshaft bearing liners to professionals.
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