Plastic bearings are generally categorized into plasticRolling BearingsWith plasticsSleeve bearingThe working principle of plastic rolling bearings and plastic sliding bearings can be distinguished by their names. The friction that occurs during the operation of plastic rolling bearings is...Rolling FrictionAnd what occurs during the operation of plastic sliding bearings isSliding Friction；Rolling FrictionThe size primarily depends on manufacturing precision; while the magnitude of friction in plastic sliding bearings is mainly determined by the material of the sliding surface.