What name is given to the sections or journals of the crankshaft by which it is coupled to the engine block and rotates on it?

Question

DentroTest · Accepted Answer

The crankshaft is made up of several parts with very specific mechanical functions: Main journals: these are the cylindrical journals aligned with the crankshaft's axis of rotation. They rotate in the main bearings housed in the engine block. The journals, which form part of the crankshaft, must not be confused with the bearings that surround them. Crank throws or connecting rod crankpins: these are the parts offset from the axis of rotation where the heads of the connecting rods are attached to convert the straight-line movement of the pistons into rotary movement. Bushings: these are thin shells or half bearings of anti-friction material placed between the moving parts to reduce friction and wear, but they are not integral parts of the crankshaft itself.

What name is given to the sections or journals of the crankshaft by which it is coupled to the engine block and rotates on it?

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