Ceramic bearings provide by SunYoung Industry have the advantageous properties: high intensity, abrasion-resistance, heat-resistance, insulation, low weight, magnetism-resistance, and corrosion-resistance, which the metal materials don't own.
1) Specifications:
Deep Groove Ball Bearings, Insert Ball Bearings, Anglular Contact Ball Bearings, Thrust Ball Bearings, Self-aligning Ball Bearings, etc.
2) Out and inner ring: Zirconia or Sillicon Nitride
3) Ball: Silicon Nitride, Zirconia, or Aluminum Oxide
4) Retainer: PTFE, PA, PEEK or stainless steel, etc.