... steel 2.ISO9001,IQNET certificate 3.Competitive prices TIMKEN Spherical roller bearing 223131) Material: Gcr15,Gcr15SiMn2) Cage Material: brass, steel3) Model: 22200 ... , 22300, 22300, 23000, 23100, 23200 series. Suffixes with CA, K, W33 types available,such as : 22200CAW33, 22200CCW33C3, 22320CAW33C3, 22320MBW33, 22220MBW33, 22220MBKW33 ...