30-Pack Full Ceramic Si3N4 Ball Bearings 6804 20mm Inner Diameter, 32mm Outer Diameter, 7mm Width - High-Precision Ceramic Bearings For Industrial Machinery And Commercial Equipment

These 6804 full ceramic ball bearings use Si3N4 ceramic for inner and outer races and balls, delivering low friction, high-speed performance and strong chemical resistance. They’re a solid choice for precision machinery, robotics, food processing, and other demanding environments.

✅ Inner diameter 20 mm (0.79 in) bore
✅ Outer diameter 32 mm (1.26 in) OD
✅ Width 7 mm (0.28 in)
✅ Balls: Si3N4 ceramic
✅ Cage: PTFE (Polytetrafluoroethylene)
✅ Pack size: 30 bearings

💡 What is a full ceramic bearing used for in engineering and manufacturing? Handy for tough environments thanks to ceramic components.
- Low friction and high-speed capabilities
- Chemical resistance and non-magnetic properties
- Lightweight design for precise, compact assemblies