Full Ceramic Bearing 6804-2RS ZrO2/Si3N4 With PTFE Based Grease, 20x32x7 Mm, RS Sealed, High Precision Ball Bearing for Industrial Applications, Ideal For Robotics Automation And Machinery

Single 20x32x7 Full Ceramic Bearing with PTFE Grease
✔️ 1 pc single 20x32x7 mm sealed ceramic ball bearing with PTFE grease

The 6804-2RS full ceramic bearing uses ZrO2 for the races and Si3N4 for the balls, paired with a PTFE-based grease for smooth, quiet operation across wide temperatures. It’s a great choice for precision equipment, robotics, and labs where stiffness, contamination resistance, and long life matter.

✅ Dimensions: 20 mm ID x 32 mm OD x 7 mm width
✅ Material: ZrO2 inner/outer races and Si3N4 ceramic balls
✅ Lubrication: PTFE-based grease; wide temperature range -50 to 150 C

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

Ceramic bearings deliver steady, low-friction performance in demanding setups.

• Low friction at high speeds for accurate spindle motion
• Corrosion and chemical resistance in lab and automation gear
• Lightweight construction reduces wear on precision motors
• PTFE grease supports reliable starts across temperature swings