Bearings are divided into rolling bearings and sliding bearings

Rolling bearings are divided into axial bearings and radial thrust bearings according to the force direction. According to the rolling body, ball bearings, roller bearings, needle bearings.

First, the engine. Sliding bearings include: crankshaft and cylinder block crankshaft seat, commonly known as big tile, crankshaft and connecting rod, commonly known as small tile, connecting rod and piston pin, camshaft and seat hole, are sliding bearings. Lubrication by oil pump pressure. Crankshaft and cylinder block also useful ball bearings, very few

Engine accessories such as water pumps are ball bearings.

Manual gear car clutch has separation bearings, which are radial thrust ball bearings

There are 2 bearings on EACH shaft in the gearbox. The big car is usually ball bearing, and the small car is usually needle roller bearing