1.high temperature ball bearings 2. Material : Si3N4 or ZrO2 3.Precisio:Abec-1, Abec-3, Abec-5, Abec-7 4. ... ,plastic,steel and other equipments that can bear high temperature3).Corrosion-resistant bearings4).Electric-insulated bearings5).Vacuum ... Ceramic deep groove ball bearings, 2) Ceramic Angular contact ball bearings, 3) Ceramic Thrust ball bearings, 4) Ceramic Self-aligning ball bearings, 5 ...