1) plastic bearings are lubricated material as a whole , long life;
2) plastic bearings use does not occur in rusting and corrosion , rust and metal bearing can not be used in chemical liquid ;
3) the plastic bearing quality lighter than metal , which is more suitable for modern lightweight design trends ;
suitable for mass production ;
5) plastic bearing no noise during operation , has a shock-absorbing function;
6) plastic sliding bearings suitable for high temperature work -200 to +250 degrees;