Crankshaft Main Bearing

Main Bearings

Standard oil clearance 0.026 to 0.047 mm (0.00102 to 0.00185 in.)
Maximum oil clearance 0.050 mm (0.00197 in.)

Size Codes








Crankshaft Main Journal Diameter:





Standard Upper Bearing Center Wall Thickness (No. 1 and No. 4 journal):





Standard Lower Bearing Center Wall Thickness (No. 1 and No. 4 journal):





Standard Upper Bearing Center Wall Thickness (No. 2 and No. 3 journal):





Standard Lower Bearing Center Wall Thickness (No. 2 and No. 3 journal):






Main Bearing Cap Bolt Inspection

Measure crankshaft bearing cap bolt thread diameter at the measurement point.





Standard diameter 10.8 to 11.0 mm (0.4252 to 0.4331 in.)
Minimum diameter 10.7 mm (0.4213 in.)

Cap Bolt Tightening

Step 1





Torque 61 Nm (622 kgf-cm, 45 ft-lbf) in several steps

Step 2 Tighten 90°

Cross Bolts 52 Nm (525 kgf-cm, 38 ft-lbf) in several steps