30 Pack Full Ceramic Zirconia Ball Bearings 633 3x13x5mm Miniature Bearings Precision High Load Capacity Ideal for Hobby Machinery and RC Projects Includes PTFE Cage for Smooth Operation and Long Wear Life

Bulk 30x3x13x5mm Full Ceramic 633 Zirconia Bearings
✔️ 30 bearings in pack, 3x13x5 mm size, full ceramic zirconia

These 30-pack full ceramic bearings use zirconia ceramic balls and races for precision, low-friction motion in robotics, CNC machines, medical devices, and other tech gear that demands reliability and chemical resistance.

✅ Quantity: 30 bearings
✅ Size: 3x13x5 mm ID x OD x width
✅ Material: Zirconia ceramic balls and zirconia races; PTFE cage
✅ Type: Full ceramic bearing
✅ Cage: PTFE
✅ Best uses: precision robotics, CNC, sealed systems

💡 What is a ceramic ball bearing used for in high-precision systems?

Ceramic bearings are handy when you need smooth, long-lasting performance in tough environments.

- Low friction and wear resistance in high-precision gear and spindle setups
- Excellent chemical and temperature tolerance for harsh environments
- Handy for sealed ball bearing and linear slide unit applications