30 Pack Full Ceramic Ball Bearings 686-2RS Zirconia ZrO2 6x13x5mm Miniature Bearings With PTFE Cage High Precision For Drones Robotics Cameras 3D Printers Housings and Micro Mechanisms

30-Pack Full Ceramic Mini Bearings 6x13x5mm, 686-2RS
✔️ 30 sealed 686-2RS full ceramic bearings with ZrO2 balls

These compact, high precision bearings are full ceramic miniatures featuring zirconia balls and zirconia races with a PTFE cage. They are sealed on both sides for dust and moisture protection, ideal for tight spaces in micro robotics, hobby gear, and precision instruments. Bore 6 mm (0.24 in), outer diameter 13 mm (0.51 in), width 5 mm (0.20 in).

✅ Bore 6 mm (0.24 in) OD 13 mm (0.51 in) Width 5 mm (0.20 in)
✅ Balls: Zirconia (ZrO2), Races: Zirconia (ZrO2), Cage: PTFE
✅ Sealed 686-2RS on both sides for protection
✅ Pack size: 30 bearings in the set

💡 What is a sealed ceramic bearing used for?

These handy bearings are built for compact, high speed setups where low friction and corrosion resistance matter.

- Used in micro motors, RC models, robotics, and precision instruments - Great for moisture-prone or chemical environments due to ceramic materials - Lightweight and durable for long life in tight spaces