Crankshaft Main Bearing: Specifications

Main bearing cap
16 point head
1st 61 Nm (622 kgf-cm, 45 ft lb)
2nd Turn 90°





12 mm head 26 Nm (265 kgf-cm, 19 ft-lbf)





Crankshaft oil clearance
No. 1, No. 4 journal
Standard 0.026 to 0.047 mm (0.00102 to 0.001985 in.)
Minimum 0.050 mm (0.00197 in.)
No. 2, No. 3 journal
Standard 0.032 to 0.053 mm (0.00126 to 0.00209 in.)
Minimum 0.060 mm (0.00236 in.)

Main bearing wall thickness

Standard upper bearing center wall thickness (No. 1 and No. 4 journal) Mark 1 2.500 to 2.503 mm (0.09843 to 0.09854 in.)
Mark 2 2.503 to 2.506 mm (0.09854 to 0.09866 in.)
Mark 3 2.506 to 2.509 mm (0.09866 to 0.09878 in.)
Mark 4 2.509 to 2.512 mm (0.09878 to 0.09890 in.)
Mark 5 2.512 to 2.515 mm (0.09890 to 0.09902 in.)

Standard lower bearing center wall thickness (No. 1 and No. 4 journal) Mark 1 2.478 to 2.481 mm (0.09756 to 0.09768 in.)
Mark 2 2.481 to 2.484 mm (0.09768 to 0.09780 in.)
Mark 3 2.484 to 2.487 mm (0.09780 to 0.09791 in.)
Mark 4 2.487 to 2.490 mm (0.09791 to 0.09803 in.)
Mark 5 2.490 to 2.493 mm (0.09803 to 0.09815 in.)

Standard upper bearing center wall thickness (No. 2 and No. 3 journal) Mark 1 2.478 to 2.481 mm (0.09756 to 0.09768 in.)
Mark 2 2.481 to 2.484 mm (0.09768 to 0.09780 in.)
Mark 3 2.484 to 2.487 mm (0.09780 to 0.09791 in.)
Mark 4 2.487 to 2.490 mm (0.09791 to 0.09803 in.)
Mark 5 2.490 to 2.493 mm (0.09803 to 0.09815 in.)

Standard lower bearing center wall thickness (No. 2 and No. 3 journal) Mark 1 2.500 to 2.503 mm (0.09843 to 0.09854 in.)
Mark 2 2.503 to 2.506 mm (0.09854 to 0.09866 in.)
Mark 3 2.506 to 2.509 mm (0.09866 to 0.09878 in.)
Mark 4 2.509 to 2.512 mm (0.09878 to 0.09890 in.)
Mark 5 2.512 to 2.515 mm (0.09890 to 0.09902 in.)