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)

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Connecting Rod Bearing

CONNECTING ROD




















There are 3 sizes of standard bearings, marked "1", "2" and "3" accordingly.

Standard crank pin diameter:

51.492 to 51.500 mm (2.0272 to 2.0276 in.)

Standard Connecting Rod Big End Inside Diameter:





Standard Size Bearing Center Wall Thickness: