Wholesale 30-Pack Full Ceramic ZrO2 Miniature Ball Bearings 9x20x6mm 699-2RS High-Precision PTFE Cage Ceramic Bearings For Micro Bearings RC Drones CNC And Precision Machinery Ideal For Precision Machinery And Industrial Applications

Full Ceramic Miniature Bearings 9x20x6mm, 30-Pack
✔️ 30-pack full ceramic 699-2RS bearings, 9x20x6mm

These are full ceramic miniature ball bearings designed for small, high-precision gear and rotor assemblies. They’re commonly used in drones, model engineering, robotics, and other compact machinery where low friction and resistance to corrosion matter.

✅ Inner diameter: 9 mm
✅ Outer diameter: 20 mm
✅ Width: 6 mm
✅ Material: Zirconia ceramic (ZrO2) balls and races
✅ Cage: PTFE (Teflon)
✅ Seals: 2RS (shields on both sides)
✅ Pack: 30 bearings in set

💡 What is a full ceramic miniature bearing used for in precision hobby devices?

These handy bearings excel in high-speed, low-friction motion in tight spaces. - Handy for drones, cameras, precision robotics, and model engines - Resistant to moisture, chemicals, and corrosion for long life - Lightweight yet stiff for smooth, accurate motion - Ideal in sealed or low-clearance assemblies where bearing longevity matters