61803-2RS Full Ceramic Sealed Bearing 17x26x5mm Si3N4

61803-2RS Full Ceramic Ball Bearing - Silicon Nitride
✔️ 17mm x 26mm x 5mm - high-performance corrosion-resistant bearing

The 61803-2RS full ceramic bearing is engineered for ultra-smooth rotation, zero rust, and maximum temperature and chemical resistance. Built entirely with silicon nitride (Si₃N₄) balls and races, plus a PTFE cage, this bearing is ideal for demanding environments like medical, chemical, or food-grade machinery where metal bearings can’t perform.

✅ Model: 61803-2RS
✅ Type: full ceramic deep groove ball bearing
✅ Ball Material: Si₃N₄ (silicon nitride)
✅ Race Material: Si₃N₄ (silicon nitride)
✅ Cage Material: PTFE (Polytetrafluoroethylene)
✅ Closures: double-sealed (2RS)
✅ Size: 17mm (ID) x 26mm (OD) x 5mm (Width)
✅ Max Speed: 6,000 RPM
✅ Quantity: 1 bearing
✅ Equivalent: 61803-2RS1, 61803-2RZ
✅ Category: VXB Full Ceramic Bearings

💡 Why use silicon nitride full ceramic bearings?
Because they perform where metal bearings fail:
- Extremely low friction for high-speed, quiet operation
- Resistant to corrosion, moisture, and most chemicals
- Non-conductive and non-magnetic, ideal for sensitive equipment

Tough, light, and maintenance-free, this Si₃N₄ ceramic bearing keeps your precision systems spinning flawlessly even in the harshest conditions.