... 2.certification:ISO9001:2000 3.OEM service 4.enough stock Double row thrust ball bearing 1)Thrust ball bearing ring is called ... angle is 90 °, subject to pure axial load; 5) The double-row bearings composed of two seat, and a shaft ring, can ... series: 532xx, 533xx, 534xx. Spherical seat series: 532xxU, 533xxU, 534xxU. Double row thrust ball bearings of series:Flat seat series: 522xx, 523xx ...