689 Ceramic Bearings

The 689 full ceramic bearings is a miniature ceramic deep groove ball bearing that is widely applied in cryogenic engineering, Medical equipment, high-speed machine tools, optical instruments, high-speed motors, printing machinery, food processing machinery, and more. also, 689 ceramic hybrid bearings have expanded the application of ceramic bearings. Silicon nitride, a popular size is a type of ceramic applications bearing. type 689z ceramic bearing is single shielded open type bearings, and 689zz ceramic bearing is Double Shielded on both sides. standard 689 9 mm ceramic Ball Bearings Inner Dimension is 9mm X Outer Dimension 17mm X Width 4mm, for more custom 689 ceramic bearings and seal options please contact Bushing MFG today!