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1.Delimit: Plastic bearings can be generally divided into plastic rolling bearings and plastic sliding bearings; the friction generated when plastic rolling bearings work is rolling friction, while the sliding of plastic sliding bearings occurs when sliding; the frictional friction depends on the manufacturing precision; The amount of friction of the bearing depends mainly on the material of the sliding surface of the bearing.

2.The main purpose： Mechanical and electrical equipment, fitness equipment, food machinery, furniture and decoration materials