deep groove ball bearing 1.low cost,low price, ... ,ZN,ZNR640010-100N,NRMINIATURE BEARINGS3-10Z,ZZ,RS,2RS deep groove ball bearing1. with OPEN,Z,ZZ,RS,2RS ... bag,tube in carton3. material:Chrome steel4. less coefficient of friction, high limiting speed,high precision,5.robust in ... and other common machinery, as a widely used type of bearings in machinery industryDeep groove ball bearings mainly take radial ...