Crankshaft Main Bearing

Crankshaft
General data
Crankshaft end float 0.10 - 0.76 mm
Maximum journal out-of-round 0.003 mm
Maximum allowable rotational deviation 0.05 mm

Big-end bearing journal diameter
Standard 53.990 - 53.971 mm
First undersize 53.740 - 53.721 mm
Second undersize 53.490 - 53.471 mm
Big-end bearing clearance 0.013 - 0.061 mm

Main bearing journal diameter
Standard 67.980 - 67.996 mm
First undersize 67.730 - 67.746 mm
Second undersize 67.480 - 67.496 mm
Main bearing clearance 0.014 - 0.043 mm

Main bearing member 20 Nm (15 ft. lbs.0
Main bearing caps 50 Nm + 60° + 15° (37 ft. lbs. + 60° + 15°)
Big-end bearing caps 35 Nm + 45° + 15° (26 ft. lbs. + 45° + 15°)