Crankshaft Main Bearing

Crankshaft
Main bearing journal
Diameter 67.481-67.505 mm
Maximum out-of-round 0.0075 mm between cross sections
Maximum taper (straightness) 0.004 mm
Runout: FIM of center journals when located on front & rear journal 0.05 mm (3 places)
Clearance - crankshaft journal-to-main bearing clearance 0.048-0.024 mm

Main Bearing Size Codes














Main Bearing Fasteners 1-12





First pass 40 Nm (30 ft. lbs).
Final pass Tighten 90°

Main Bearing Fasteners 13-24





First pass 30 Nm (22 ft. lbs).
Final pass Tighten 90°