Full Ceramic Ball Bearing 4x10x3 mm Zirconia ZrO2 With PTFE Cage High Precision Low Friction Micro Bearing Suitable For Watches Drones RC Cars 3D Printing And Jewelry Making Non Magnetic Corrosion Resistant
✔️ 4x10x3 mm: inner 4, outer 10, width 3; zirconia ceramic cage
The 4x10x3 full ceramic bearing is a compact precision component built with zirconia ceramic balls and ceramic races. It offers smooth, low‑friction rotation in tight mechanical spaces, making it ideal for micro robotics, optical devices, and precision instruments where corrosion resistance and long life matter.
✅ Inner diameter: 4 mm
✅ Outer diameter: 10 mm
✅ Width: 3 mm
✅ Balls: zirconia ceramic (ZrO2)
✅ Races: zirconia ceramic (ZrO2)
✅ Cage material: PTFE
✅ Bearing type: full ceramic
✅ Pack size: 1 bearing
💡 What is a small ceramic bearing used for in precision micro gear systems? This handy piece provides smooth, low‑friction motion in compact assemblies. - Use cases include micro robotics, camera gimbals, and precision instruments - Zirconia ceramic balls and PTFE cage offer high hardness and low wear in sealed ball bearing designs - Full ceramic construction delivers excellent corrosion resistance and stable thermal performance