CCBearing For Universal Matching. Two Bearings Arranged Back-To-Back Or Face-To-Face Will Have An Axial Internal Clearance Greater Than Normal (CB) Before Mounting
HCBearing Or Bearing Components Of Ceramic
DBATwo Single Row Deep Groove Ball Bearings, Single Row Angular Contact Ball Bearings Or Single Row Tapered Roller Bearings Matched For Mounting In A Back-To-Back Arrangement, Light Preload