6902-2RS Full Ceramic Sealed Bearing 15x28x7mm Si3N4 Silicon Nitride High Precision Industrial Ball Bearing With Rubber Seals For Smooth Operation And Long Life In Harsh Industrial Environments Ideal For High Load High Speed And Precise Motion Control

Ceramic 6902-2RS Sealed Bearing, Si3N4 15x28x7mm (Single)
✔️ Sealed full ceramic bearing with Si3N4 balls, PTFE cage

These are full ceramic sealed bearings built from silicon nitride (Si3N4) with a PTFE cage, offering low friction, high rigidity, and corrosion resistance. They’re ideal for precision machinery, robotics, medical devices, and automated systems where long life and reliable operation matter.

✅ Material: Si3N4 ceramic balls
✅ Gabbia: PTFE
✅ Seals: rubber 2RS seals
✅ Inner/outer races: Si3N4 ceramic
✅ Dimensions: bore 15 mm; outer 28 mm; width 7 mm
✅ Equivalents: 61902-2RS1, 61902RS1
✅ Confezione: 1 cuscinetto

💡 What is a sealed ceramic bearing used for in precision machinery?

These handy bearings provide long life and low friction in demanding setups.

- High-speed spindles in CNC machines and robotics
- Harsh environments with moisture, dust, or chemicals
- Lightweight setups where efficiency matters
- Low-maintenance operation in automated lines