cylindrical roller bearing 1.Material:Gcr15 2.competive price 3.market:Mid East, ... noise 1. saeling form: OPEN,Z,ZZ,RS,2RS,2RZ2. bearing type:ball bearings3. Cage(Retainer):Brass cage,nylon cage,steel cage4 ... ,K/W33NNU 10-280 K,/W33,K/W33 Cylindrical Roller Bearing