6805-2RS Full Ceramic Ball Bearing 25x37x7mm Si3N4 Silicon Nitride PTFE Sealed High Performance Corrosion Resistant 1 Bearing

6805-2RS Full Ceramic Ball Bearing 25mm x 37mm x 7mm Pack of 1
✔️ Silicon Nitride Sealed Bearing with PTFE Closures

This pack of 1 6805-2RS full ceramic ball bearing is built for extreme environments where corrosion resistance, high speed, and electrical insulation are required. Made entirely from silicon nitride with PTFE seals and a PEEK cage, it runs smooth in chemical processing, food equipment, and high-performance machinery.

✅ Pack size: 1 bearing
✅ Model: 6805-2RS full ceramic ball bearing
✅ Inner diameter: 25mm
✅ Outer diameter: 37mm
✅ Width: 7mm
✅ Material: Si3N4 silicon nitride ceramic
✅ Balls: Si3N4 ceramic
✅ Cage material: PEEK
✅ Closures: PTFE seals
✅ Equivalent: 61805-2RS1 and 61805RS1
✅ Corrosion resistant and non-conductive design

Dimensions (mm)

d D B
25 37 7

💡 Why are silicon nitride full ceramic bearings used in electrically sensitive or corrosive operating environments?
They provide stability where metal bearings fail:

• Non-conductive material prevents electrical pitting damage

• Silicon nitride resists chemical corrosion

• Lightweight rolling elements reduce friction

• PTFE seals help protect against contamination

If you need a bearing that handles corrosion, speed, and electrical isolation, this 6805-2RS ceramic bearing is built for demanding conditions.