... 53,11724,522000,25KRV 47 PPA4720662419,441,5530,54319000,39KRV 52 PPA5220662420,946,55,6456419000,46KRV 62 PPA6224802931,47297210217000,79KRV ... characterized by a thick-walled outer ring that enables them to accommodate shock loadswhile reducing distortion and bending stresses. The ... are available for certain applications.These pre-greased, ready-to-mount units are suitable for all types of cam drives ...