Full Ceramic Bearing 6902-2RS ZrO2 And Si3N4 Construction With PTFE Based Grease, 15mm Inner Diameter, 28mm Outer Diameter, 7mm Width, High Purity Ceramic Balls For Industrial Use, Low Friction And Superior Wear And Corrosion Resistance

Single 6902 full ceramic bearing with PTFE grease 15x28x7 mm
✔️ 15x28x7 mm ceramic bearing, ZrO2/Si3n4, PTFE grease, sealed

This is a full ceramic ball bearing built with zirconia inner/outer races and silicon nitride balls, paired with PTFE-based grease for smooth operation across wide temperatures. It’s commonly used in industrial equipment, robotics, and precision machinery where low friction and longevity matter.

✅ Inner bore 15 mm; outer diameter 28 mm; width 7 mm (15x28x7 mm)
✅ Material: inner/outer races ZrO2 ceramic; balls Si3n4
✅ Lubrication: PTFE-based grease, rated -50 to 150 C
✅ Sealing: 2RS double-sealed design for contamination protection

Dimension	Size (mm)	Size (in)
Inner bore	15	0.59
Outer diameter	28	1.10
Width	7	0.28

💡 What is a ceramic ball bearing used for in precision machinery and high-speed setups?

These bearings are handy in environments needing low friction, heat resistance, and corrosion protection.

- Handy for high-speed precision machinery and automated systems - Low friction operation extends service life in demanding settings - PTFE grease supports wide temperature range and clean operation - Sealed 2RS configurations protect against dust and moisture