... Detail:Within 2 weeks after we get the order.Specificationsceramic ball bearing 71924AC.T.SUL/ DB/DF 1:Type P4 ... :More than 350 types, including metric and inch deep groove ball bearing, self-aligning bearing, angular contact bearing, plain bearing, ... be used in following industries: chemical, semi-conductor, valve & pump, food, electronic, medical, vacuum, refining, insulation, etc.Note:Full ceramic ...