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IN SPEC TIO N A N D R EPA IR
P
2
M ain journal bearing
J,)
C rank pin bearing
P,)
Selection of bearings:
Exam ple 1: M ain journal bearing
“J,” on the crankcase is “6” and “1” on
the crankw eb, then the bearing size for
is:
Exam ple 2: C rank pin bearing
on the connecting rod is “4” and
“2” on the crankw eb, then the bearing
size for
is: