duplex angular contact bearings:1,ABEC-3,5;Z2V2,Z3V3 2,High speed 3,End cover:ZZ,RS 4,Noise level:Z1,Z2 Lily bearing is a specialized manufacturer of duplex angular contact bearings.Manufactured to the same close tolerances as the radial type, but designed with contact angles of 15, 30, and 40 deg to accommodate greater thrust loads.A common choice, at higher precision levels, for applications ...