1.Made in China 2.Low noise and long life 3.Short delivery time and ... . Deep groove ball bearing have various types in structure, besides open type bearings, shield or seals at both side can also be ... ,R10,R3,R14, 6700 series OPEN,ZZ and 2RS TYPE6800 series OPEN,ZZ and 2RS TYPE6900 series OPEN,ZZ and 2RS TYPE1600 series ...