500℃ ZrO2 1300 HRC Full Ceramic Ball Bearings Full Ceramic Bearings of full complement balls of ZrO2 material has an add-ball gap on its side. Because ... 続きを読む
High Temperature 3.2g/Cm3 Si3N4 Full Ceramic Bearings Full Ceramic Bearings of full complement balls of Si3N4 material has an add-ball gap on its side... 続きを読む