Full Ceramic Bearing With ZrO2 And Si3N4 SRL PTFE Based Grease 8x16x4 mm Sealed 2RS Rubber Shield High Precision Bearing For Industrial Medical Robotics And Aerospace Applications

Full Ceramic 688-2RS 8x16x4 mm ZrO2/Si3n4 bearing
✔️ Single bearing, 8x16x4 mm ceramic with PTFE grease, -50 to 150 C

These full ceramic bearings use ZrO2 inner and outer races with Si3n4 ceramic balls, offering superb wear resistance, low friction, and excellent performance across a wide temperature range. Commonly used in precision machinery, robotics, medical devices, and equipment requiring sealed ball bearing performance.

✅ Bore: 8 mm
✅ Outer diameter: 16 mm
✅ Width: 4 mm
✅ Material: ZrO2 inner/outer races; Si3n4 balls
✅ Lubrication: PTFE based grease
✅ Temperature range: -50 to 150 C

💡 What is a handy use for ceramic bearings in small gear drives?

A handy use is keeping motion smooth in tight spaces while handling high temps.

- Used in compact drives and linear slide units to support precise motion
- Excellent high temperature performance with low maintenance
- Sealed construction helps keep contaminants out in dusty environments
- Lightweight and corrosion resistant for long service life