Crankshaft/Crankshaft Bearings

Crankshaft/Crankshaft Bearings

The drop-forged crankshaft runs on eight bearings and has twelve counterweights. Main bearing 4 is designed as a thrust bearing. Axial play is determined by two thrust plates, which are inserted at the left and right of the bearing.

The main bearings are designed as plain bearings with a diameter of 63 mm. Main bearings 1/3/5/7/8 are smooth bearings, while main bearings 2/4/6 are grooved bearings. These grooved bearings supply oil to the connecting-rod bearings.

The drive mechanism for the two drive chains for the camshafts and demand-controlled oil pump is located on the pulley side.