cylindrical roller bearing 1.Material:Gcr15 2.competive price 3.market:Mid ... 1. saeling form: OPEN,Z,ZZ,RS,2RS,2RZ2. bearing type:ball bearings3. Cage(Retainer):Brass cage,nylon cage,steel ... P/O6.Feature:low voice,high speed,long life7. Application:home appliances.low noise and high speed electric motors,auotomotive components,pups, ... ,/W33,K/W33NNU 10-280 K,/W33,K/W33 skf Cylindrical Roller bearing