Full Ceramic Bearing 6203 17x40x12 mm Si3N4 Full Complement Silicon Nitride Ball Bearing For High Precision Applications 17 mm Bore 40 mm OD 12 mm Width Low Friction Durable Corrosion Resistant

The 6203 full complement ceramic bearing uses silicon nitride balls and races for high rigidity, low friction, and excellent temperature resistance, ideal for precision machinery, robotics, and medical devices where metal bearings wear or corrode.

✅ Inner diameter 17 mm
✅ Outer diameter 40 mm
✅ Width 12 mm
✅ Material: silicon nitride ceramic (Si3N4)
✅ Full complement design (no cage)

💡 What is a ceramic bearing used for in precision equipment? These handy bearings are used where metal bearings wear quickly or fail in tough environments. - High temperature resistance for demanding settings
- Low friction for smooth, precise motion
- Rust and corrosion resistance in harsh chemistries