... .profession design, 3.original bearing, 4.steel material JAPAN NSK DEEP GROOVE BALL BEARINGS1.low noise, long life, 2.profession design ... , 3.original bearing, 4.steel materialJapan NSK Deep Groove Ball BearingOur main products include deep groove ball bearings,miniature thin-wall bearings ... ,16002,16003,16005,16007(3)Sealing form:OPEN,Z,ZZ,V,VV,DU,DDU,N(4)Material:Gcr15(5)Quality standard ...