UNDERSIZE BEARING USAGE GUIDE
- When the specified main bearing oil clearance is not obtained with standard size main bearings, use underside (US) bearing.
- When using undersize (US) bearing, measure the main bearing inner diameter with bearing installed, and grind main journal so that the main bearing oil clearance satisfies the standard. CAUTION: In grinding crankshaft main journal to use undersize bearings, keep the fillet R (A) [1.5 - 1.7 mm (0.059 - 0.067 in)]. Bearing undersize table : Refer to " «MAIN BEARING»(ref-404417-S41575023822011061300000) ".