Engine-Engineandcrankcase
Standardcrankshaftmainbearingselection
Mainbearingboretclass
Standardcrankshaft
journals
Class(1)Class(2)Class(3)
GreenGreen
Yellow
Class(1)92.970to92.980
mm
Green
YellowYellow
Red
GreenGreen
Class(2)92.980to92.990
mm
GreenGreen
Yellow
RedRed
Green
Class(3)92.990to93.000
mm
Red
GreenGreen
0.127mmunder-sizecrankshaftmainbearingselection
Mainbearingboretclass
Standardcrankshaft
journals
Class(1)Class(2)Class(3)
Green/BlackGreen/BlackYellow/Black
Class(1)92.843to92.853
mm
Green/BlackYellow/BlackYellow/Black
Red/BlackGreen/BlackGreen/Black
Class(2)92.853to92.863
mm
Green/BlackGreen/BlackYellow/Black
Red/BlackRed/BlackGreen/Black
Class(3)92.863to93.872
mm
Red/BlackGreen/BlackGreen/Black
Withthevariablesinthebearingselectionprocess,itis
alwaysagoodideatouseaplasticgaugetotesteach
journalforproperclearance.
RAIL15TR00392BA19
5143149922/02/2018
10.1[10.001]/15