... Individual box packingDEEP GROOVE BALL BEARINGSpecificationsdeep groove ball bearing 6305 1)Size:60,62,63,64,68, ... , low noise 3)ISO9001 standardWe are the bearing manufacturer and the factory is in LINQING. ... of precision balls. The standard Conrad-type bearing has a deep-groove construction capable of handlingradial ... P6, P5, P4;5. Clearance Grsde: C2, C0, C3, C4, C5;6. Vibration Grade: Z1V1, Z2V2, Z3V3 ...