20 Pack Full Ceramic 695-2RS ZrO2 Miniature Ball Bearings 5x13x4mm Wholesale Set With PTFE Cage For Low Friction High Precision Applications Ideal For Robotics Automation CNC Machines Drones 3D Printers Medical Equipment And Aerospace Components
✔️ 5x13x4mm, full ceramic ZrO2 bearings, 20-count pack with PTFE cage
These 20-pack miniature bearings use zirconia ceramic balls and zirconia ceramic races for outstanding durability and extremely low friction. They’re ideal for small, high-precision assemblies in robotics, micro machines, and hobby CNC projects where corrosion resistance and long life matter.
✅ Inner diameter 5 mm, outer diameter 13 mm, width 4 mm (5x13x4mm)
✅ Balls: zirconia ceramic (ZrO2); races: zirconia (ZrO2); cage: PTFE
✅ 2RS sealed design for protection against dust and moisture
✅ Pack size: 20 bearings per wholesale pack
💡 What is a ceramic ball bearing used for in small machines? These handy parts offer smooth rotation, low friction, and corrosion resistance in compact setups. - ceramic ball bearing for precision instruments and hobby projects - sealed ball bearing options for dust and moisture protection - zirconia ceramic bearings for high hardness and longevity - lightweight components that enhance efficiency in tight assemblies