ENGINE MECHANICAL
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 3A-29
Examples of Bearing Failures
70436
a
b
c
d
Scratched By Dirt Lack Of Oil Improper Seating
a-Scratches
b-Dirt Imbedded Into Bearing Material
c-Overlay Wiped Out
d-Bright (Polished) Sections
70436
c
a
b
Tapered Journal Radius Ride Fatigue Failure
a-Overlay Gone From Entire Surface
b-Radius Ride
c-Craters Or Pockets
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