The bearing shell is the part of the sliding bearing that is in contact with the journal. The shape is a semi-cylindrical surface. It is very smooth. It is usually made of wear-resistant materials such as bronze and anti-friction alloy. In special cases, wood can be used. Made of engineering plastic or rubber.
There are two types of bearing bushes: integral and split. The integral bearing bush is usually called bushing. The integral bearing bush has two types of oil grooves and oil grooves. The bearing bush and the journal have a clearance fit and generally do not rotate with the shaft.