... 7000A, 7000B, dB, DF, QJ, QJF. 5.application: (1) Single row angular contact ball bearing is mainly used in the machine ... gas turbine, centrifuge, cars wheel, differential pinions axis; (2) Double row angular contact ball bearing widely used in oil pump, roots ... of all kinds of transmission, fuel injection pump, printing machines; B.Model number New ItemOld ItemDimensions(mm)Weight(kg)3300305630010 ...