Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Crankshaft Main Bearing

No. 1 main bearing width 0.882 - 0.890 Inch (in)
No. 2 and 3 main bearing width 0.744 - 0.752 Inch (in)
Main bearing grade No. 0 thickness (black) 0.0715 - 0.0717 Inch (in)
Main bearing grade No. 1 thickness (brown) 0.0717 - 0.0719 Inch (in)
Main bearing grade No. 2 thickness (green) 0.0719 - 0.0720 Inch (in)
Main bearing grade No. 3 thickness (yellow) 0.0720 - 0.0722 Inch (in)
Main bearing grade No. 4 thickness (blue) 0.0722 - 0.0723 Inch (in)
0.25 mm. (0.0098 in.) undersize crankshaft main bearing thickness 0.0767 - 0.0770 Inch (in)