Full Ceramic 688 Bearing 8mm Inner Diameter 16mm Outer Diameter 5mm Width Si3N4 Silicon Nitride Ball Bearing Full Complement Design For High Load And Low Friction Miniature Precision Bearing Suitable For CNC And Hobby Use

Meet the 688 full complement ceramic bearing, a compact, high precision component made from silicon nitride. This tiny bearing is ideal for precision miniatures, robotics, RC models, and high temperature environments where dry operation and non magnetic properties matter.

✅ Size: 8 x 16 x 5 mm
✅ Material: Si3N4 ceramic
✅ Full complement (no cage)
✅ Max temp: 1472°F
✅ Non magnetic and non-conductive
✅ Quantity: 1

💡 What is a ceramic bearing used for in precision machinery and high speed applications? This handy overview explains its role in reliable, dry operation.
- High speed, low friction for compact axes
- Non magnetic and non-conductive for electronics
- Excellent wear resistance in dry high temperature environments
- Long service life with minimal maintenance in automated systems