Crankshaft Main Bearing

Main bearing





Main bearing cap bolts in
order of 1 to 10 39.2 Nm (4.0 kg-m, 29 ft.-lb)
Main bearing cap sub
bolts in order of 11 to 20 29.4 Nm (3.0 kg-m, 22 ft-lb)
Main bearing cap bolts in
order of 1 to 10 40°
Main bearing cap sub bolts
in order of 11 to 20 30°
Side bolts in order of 21 to
30 49 Nm (5.0 kg-m, 36 ft-lb)

Main bearing oil clearance, Unit: mm (in)

No.1 and 5
Standard 0.001 - 0.011 (0.00004 - 0.0004)
Limit 0.021 (0.0008)
No.2, 3 and 4
Standard 0.007 - 0.017 (0.0003 - 0.0007)
Limit 0.027 (0.0011)

Main Bearings Selection Table (No. 1 and No. 5 journal)





Main Bearings Selection Table (No. 2, 3 and 4 journal)





Main Bearings Grade Table (All Journals)