... .836631050110276238.31.0826311551202971.6451.376312601303181.952.21.70 Special properties1. High accuracy2. Low noise3. Low weight4. Can be customized according to ... , Z, ZZ, RS, 2RS,RZ, 2RZ.N,NZ.The grades of our products are P0,P6,P5,P4.The Vibrating grades ... the southeast of Ningbo City and north to Hangzhou Bay Bridge. Our main products are deep groove ball bearings with high accuracy ...