How to Select A Connecting Rod Bearing

When New Connecting Rod and Crankshaft are Used





1. Apply big end inside diameter grade stamped on connecting rod side face to the row in the "Connecting Rod Bearing Selection Table".





2. Apply pin diameter grade stamped on crankshaft front side to the column in the "Connecting Rod Bearing Selection Table".
3. Read the symbol at the cross point of selected row and column in the "Connecting Rod Bearing Selection Table".
4. Apply the symbol obtained to connecting rod bearing grade table to select.

When Crankshaft and Connecting Rod are Reused:
1. Measure dimensions of the big end inner diameter of connecting rod and outer diameter of crankshaft pin individually.
2. Apply the dimension measured to the "Connecting Rod Bearing Selection Table".





Connecting Rod Bearing Selection Table





Connecting Rod Bearing Grade Table

Undersize Bearing Usage Guide
^ When the specified oil clearance is not obtained with standard size connecting rod bearing, use undersize (US) bearing.
^ When using undersize bearing, measure the bearing inner diameter with bearing installed, and grind the crankshaft pin so that the oil clearance satisfies the standard.





Bearing Undersize Table





CAUTION: In grinding the crankshaft pin to use undersize bearings, do not damage the fillet R (All crankshaft pins).