... .Brand designed 3.ISO9001:2000 4.Better aftersale service sell deep groove ball bearing, the race dimensions are close to the dimensions ... your needs4. Can provide small & miniature standard and non-standard ball berings5. Reasonable price6. Technology: low vibration, low noise, high ... Service Offered, Buyer Label Offered2. our brand :KNZ Deep groove ball bearing We have Open ,Z,ZZ,RS,2RS,RZ,2RZ ...