Set Of Four 6208 Full Ceramic Ball Bearings With Si3N4 Ceramic Balls And Races, 40 mm Inner Diameter, 80 mm Outer Diameter, 18 mm Width, High Precision Low Friction, Corrosion Resistant, Ideal For Robotic, Hobby, CNC, And RC Applications

These 6208 full ceramic bearings feature Si3N4 inner and outer races with Si3N4 ceramic balls and a PTFE cage, offering excellent corrosion resistance, low friction, and long life in demanding applications. They’re ideal for precision machinery, robotics, CNC setups, and environments where lubrication is challenging or unwanted.

✅ Bearing size: ID 40 mm, OD 80 mm, width 18 mm
✅ Material: Si3N4 ceramic races and balls, PTFE cage
✅ Pack: 4 bearings per set
✅ Applications: sealed ball bearing use in harsh or clean environments

💡 What is a full ceramic bearing used for in precision machinery?

It’s a handy high-performance option for demanding setups.

• High stiffness and repeatable tolerances for CNC and robotics
• Excellent corrosion resistance in wet or harsh environments
• Low friction at high speeds reduces heat and wear