... minspeed(Oil)26000r/minOur main products include deep groove ball bearings,miniature thin-wall bearings,and different types ... and special bearings.(1)Bore diameter:3mm-50mm(2)Bearing range:60series:606,607.608,6000,6001,6002, ... 6301,6302,6303,6304,6305,6306,6307,6308,6309,6310,6311,631267series:6705 68series:686,687,688,689, ... 87,880,227E-mail: http://.sylvia.tjrdrj.com/ manufacture ball bearing 16001