... . original China brand 2.bakelite/brass cage 3.OBM/OEM Bi-directional thrust angular contact ball bearings O(∩_∩)O~ 1 ... accommodate combined loads, i.e. simultaneously acting radial and axial loads.The axial load carrying capacity of angular contact ball bearings increases ... of SKF, NSK, FAG, IKO, NTN, TIMKEN..... Welcome to Inquire ~~ Bi-directional thrust angular contact ball bearings