... Plenty of stock Hot Supply Ceramic Bearings 607 608 with High Quality! Features: 1, Material: ZrO2, Si3N4, SiC and Al2O3, ... , food, electronic, medical, vacuum, refining, insulation, etc.Note:Full ceramic bearing is not suitable for heavy loading, impact loading and ... .0006607LL71912.000660882214.0007608L82214.0007608LL82214.000760992415.0007609LL92415.0007 Full Ceramic Ball Bearings Made with ZrO2