Crankshaft Main Bearing

Crankshaft Main Bearing Specifications

Intermediate Section Fasteners





Step 1 20 Nm





Step 2 40 Nm





Step 3 24 Nm





Step 4 17 Nm





Step 5 90°

Classification of Main Bearings
The marking is stamped in the engine block and crankshaft. The classification marking is in the engine block above the oil cooler and crankshaft. The classification shall be read from the digit 1 to 7.
The first letter after the digit 1 is the classification of main bearing 1. The bearing positions are numbered starting at the engine's leading edge.





1. Classification cylinder block
2. Classification crankshaft
3. Cylinder block
4. Intermediate section

Crankshaft





Big End Journals





Main Bearing Journals