Full Ceramic Si3N4 Bearings 5x14x5 Miniature Pack Of 20 High Precision Ball Bearings For Industrial And Hobby Use Silicon Nitride Micro Bearings With Low Friction, Corrosion Resistance And Heat Tolerance

Full Ceramic 5x14x5 bearing set, 20-pack
✔️ 5x14x5 mm bore, 20 bearings, full ceramic Si3N4 with PTFE cage

These miniature bearings are full ceramic ball bearings using Si3N4 silicon nitride for the balls and races, with a PTFE cage. They’re commonly used in precision machinery, robotics, and hobby projects where compact, high-performance bearings are needed.

✅ Inner diameter 5 mm, outer diameter 14 mm, width 5 mm
✅ Full ceramic construction with Si3N4 balls and races
✅ PTFE cage for low friction and smooth operation
✅ Pack of 20 bearings, ideal for compact machinery and precision devices

💡 What is a ceramic ball bearing and where is it used in precision equipment? Ceramic bearings deliver high stiffness, low friction, and corrosion resistance in demanding setups. - Handy for high-speed, dry-running applications in robotics and CNC - Excellent in environments with moisture or chemical exposure - Widely used in optical devices, lab gear, and precision instruments