Full Ceramic Bearing Silicon Nitride 15x28x7mm High Precision Ball Bearing For Industrial Use 15mm Inner Diameter, 28mm Outer Diameter, 7mm Width, Lightweight Durable And Corrosion Resistant Ceramic Bearings

61902 full ceramic bearing features silicon nitride inner and outer races with Si3N4 balls and a PTFE cage, delivering low friction and corrosion resistance in compact 15x28x7 mm size. The ceramic construction makes it ideal for high-speed, non-magnetic, and high-temperature applications in industrial equipment and precision machinery.

✅ ID 15 mm (0.59 in) OD 28 mm (1.10 in) width 7 mm (0.28 in)
✅ Races and balls: Si3N4 ceramic; cage PTFE
✅ Full ceramic construction offers non-magnetic and corrosion resistance
✅ Equivalents: 6902; common substitute
✅ Pack: 1 bearing; ready for installation

💡 What is a full ceramic bearing used for? Handy in high-precision, high-speed, non-magnetic setups.
- High-temperature tolerance and corrosion resistance for harsh environments.
- Non-magnetic properties ideal for electronics and measurement gear.
- Lightweight, low-friction operation improves RPM and efficiency.
- PTFE cage ensures stable spacing and long wear life.