1. Good load bearing and good wear resistance.

2. It is suitable for rotary motion, rocking motion under high load and low speed, and occasions that often open and close under load and are not easy to form hydrodynamic lubrication.

3. Under the condition of boundary lubrication, it can be maintained for a long time without oiling, and the oil is added in the overlayer to make the bearing last longer.

4. The surface plastic layer can leave a certain margin during processing and molding. After the assembly is pressed into the seat hole, it can be processed by itself to achieve a better assembly size.

5. The products are mainly used in automobile chassis, metallurgical machinery, mining machinery, hydraulic machinery, construction machinery, agricultural machinery, steel rolling equipment, etc.