Crankshaft Main Bearing

Main bearing caps





M12 in order of 1 to 10 39.2 Nm (4.0 kg-m, 29 ft-lb)
M9 in order of 11 to 20 29.4 Nm (3.0 kg-m, 22 ft-lb)
M12 in order of 1 to 10 to 40 degrees clockwise
M9 in order of 11 to 20 to 30 degrees clockwise
M10 in order of 21 to 30 49.0 Nm (5.0 kg-m, 36 ft-lb)

Main bearing oil clearance

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

Main Bearing Selection Table (No. 1 and 5 Journal)





Main Bearing Selection Table (No. 2, 3 and 4 Journal)





Main Bearing Grade Table (All Journals)