30 Pack Full Ceramic 687 ZrO2 Miniature Ball Bearings 7x14x5mm High Precision Ceramic Bearings For Small Motors And Precision Machinery With PTFE Cage Non Magnetic Corrosion Resistant Low Friction Performance

30-Pack Full Ceramic Zirconia Ball Bearings 7x14x5mm
✔️ 30-pack full ceramic zirconia bearings 7x14x5mm total pack

These 687 full ceramic miniature bearings use zirconia ceramic balls and zirconia races. They’re built for tight tolerance, high rigidity, and low friction in small precision systems such as electronics, optics, medical devices, robotics, and hobby builds. Pack size 30 keeps you ready for multiple assemblies.

✅ Inner diameter: 7 mm (0.276 in)
✅ Outer diameter: 14 mm (0.551 in)
✅ Width: 5 mm (0.197 in)
✅ Material: Zirconia ceramic balls and races (ZrO2)
✅ Cage: PTFE
✅ Type: Full ceramic bearing (687)
✅ Quantity per pack: 30 bearings

💡 What is a ceramic ball bearing used for in precision applications?

Ceramic bearings are handy in situations needing non magnetic, low wear, and high temperature performance.

• Low friction and wear using zirconia balls
• Non magnetic and corrosion resistant for sensitive equipment
• Stable operation at higher temperatures
• Well suited for optics, robotics, and measurement devices