PU polyurethane soft rolling pulley 683 miniature bearing mute 3*10*3mm

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 is lighter than metal, which is more suitable for modern lightweight design trends ;

ideal 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;