Pack Of 30 688 Full Ceramic Zirconia Ball Bearings 8x16x4mm With PTFE Cage High Precision Miniature Bearings For Low Friction Performance Corrosion Resistance And Durability Ideal For Hobbies RC Robotics And Light Machinery
✔️ 30-pack full ceramic 8x16x4mm bearings with ZrO2 balls
These 688 full ceramic miniature bearings use zirconia ceramic balls and zirconia races with a PTFE cage, delivering low friction and high rigidity in compact setups. They’re ideal for precision hobby projects, micro motors, robotics, and CNC models where space is tight and performance matters.
✅ Size: 8x16x4 mm (bore 8 mm, OD 16 mm, width 4 mm)
✅ Material: Zirconia ceramic balls and races; PTFE cage
✅ Pack: 30 bearings per pack
✅ Non-magnetic, corrosion-resistant, high hardness for precision work
✅ Suitable for micro bearings in hobby robotics, model building, sensors, and instrument panels
💡 What is a ceramic ball bearing used for in precision small-scale machinery and hobby projects?
Ceramic bearings are handy for high-speed, corrosion resistance, and non-magnetic operation in tight spaces.
Common handy applications include:
- high-speed micro motors and precision spindles
- corrosion resistance in moisture or chemical environments
- non-magnetic operation for sensitive instruments
- low-friction performance in compact assemblies