1.We are professional bearing manufacture and trade company. 2.Bearing materials: Chrome steel/GCr15 3.P4.P5.P6.P0 (ABEC1/3/5) We are manufactuer and do trade business, we are also agent for ZWZ and etc.We can supply the following bearing:Deep groove ball bearing:Model:606 607 608 609, 626 627 628 629,6000,6200,6300,61900series,with Z,ZZ,RS,2RS,2RZ available; Non-standard Bearing;Taper roller ...