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






Main Bearing Journal Diameter 2.2433-2.2441
Main Bearing Out-Of-Round 0.0006
Main Bearing Taper Limit 0.0006 per inch
Main Bearing Journal Runout 0.002 Max.
Main Bearing Surface Finish (RMS) 12
Main Bearing Runout Service Limit 0.005
Main Bearing Desired Clearance to Crankshaft 0.0008-0.0015
Main Bearing Allowable Clearance to Crankshaft 0.0005-0.0019
Main Bearing Wall Thickness (Std.) Red 0.0707-0.0710
Main Bearing Wall Thickness (Std.) Blue 0.0711-0.0714