Full Ceramic Si3N4 Ball Bearing 697 7x17x5mm Miniature Pack Of 25 For High Precision Machinery And RC Models Featuring 7 Mm Inner Diameter 17 Mm Outer Diameter 5 Mm Width With PTFE Cage For Low Friction And High Wear Resistance

Full Ceramic 697 Bearing, Si3N4 7x17x5mm, Pack of 25
✔️ 7x17x5 mm, full ceramic Si3N4 bearing with PTFE cage, 25 pcs

This 697 full ceramic bearing uses silicon nitride (Si3N4) for both balls and races, offering excellent hardness, corrosion resistance, and low wear. It is ideal for high-speed hobby CNC, robotics, and precision mechanisms where non-magnetic, dry-running performance matters.

✅ Inner diameter 7 mm, outer diameter 17 mm, width 5 mm
✅ Si3N4 ceramic balls and races
✅ PTFE cage for low friction operation
✅ High hardness, non-magnetic, corrosion resistant
✅ Pack of 25 bearings

💡 What is a ceramic ball bearing used for in precision mechanisms?

Ceramic bearings are handy in precision builds for durability and smooth motion. - High hardness and corrosion resistance for long life - Low friction and minimal heat in high-speed operation - Non-magnetic properties suit sensitive equipment