20-Pack Full Complement Full Ceramic Miniature 695 ZrO2 Miniature Ball Bearings 5x13x4mm

20 Pack Ceramic Miniature Ball Bearings 5mm 13mm 4mm Sealed
✔️ Inner 5mm Outer 13mm Width 4mm Zirconia Ceramic 20 Units

These heavy duty bearings feature full ceramic construction designed for demanding mechanical tasks. They are ideal for electric motors or drone props where lubrication maintenance is difficult.

✅ Made from pure Zirconia Ceramic ZrO2 material for rust resistance
✅ Full complement design holds extra balls compared to caged models
✅ Inner bore diameter measures exactly 5mm for compact machinery
✅ Exterior width stays minimal at 4mm for tight space installation
✅ Comes complete with twenty bearings for multiple repair jobs

💡 What makes ceramic ball bearings suitable for high rotation applications • Reduced friction coefficient allows higher rotational speed capabilities • Lighter weight reduces stress on drive trains during operation • Non-metallic property ensures no issues with magnetic interference • Excellent chemical resistance works well in harsh environments