4.063/4.0063 are combined roller bearings also named Linear Bearings. This kind of bearings are used in a variety of applications such as Palletizers, Loaders and Unloading Machines, Lift Units,C...
Guide roller RKY52,RKYR52(Eccentric) bearings for Linear Guide System Changzhou XuanMao Bearing Co.,Ltd is specialized in Nadella Type Bearings. There is a little difference between our bearings...
