Self-Aligning Clutch Release Bearing (Hyundai,Kia,Toyota) Self-aligning design Low noise & long life a..... It has been developed to be having the performance of self-aligning,to be having the rotation of the inner rings,to be having the high speed and good reliability of bearing units with punch rings and punch or plastic pipe.For which,it had been in the place of being no aligning in performance,rotated in the outer ring ,cast iron pipe or inner ring was incorporated