6805-2RS Full Ceramic Bearing - Si3N4 - Sealed - 25x37x7mm

6805-2RS Full Ceramic Ball Bearing
✔️ Silicon Nitride Si₃N₄ - 25mm x 37mm x 7mm

The 6805-2RS is a full ceramic ball bearing built entirely from Si₃N₄ (silicon nitride), offering unmatched corrosion resistance, extreme hardness, and low rolling friction. With PTFE (Teflon®-like) cage and rubber seals on both sides, it’s perfect for high-speed, chemical, or non-magnetic environments. Sold as one bearing.

✅ Inner Diameter: 25mm
✅ Outer Diameter: 37mm
✅ Width: 7mm
✅ Balls: Si₃N₄ (silicon nitride) ceramic
✅ Inner & outer races: Si₃N₄ ceramic
✅ Cage: PTFE (Polytetrafluoroethylene)
✅ Double rubber seals for protection
✅ Non-magnetic and corrosion-resistant
✅ Quantity: 1 bearing

💡 Why choose a full ceramic bearing over steel or hybrid?
They're built for environments where metal can’t survive.

• Immune to rust, acids, and most chemicals

• Ultra-hard and extremely low-friction

• Non-conductive and non-magnetic

• Great for medical, aerospace, and underwater use

Tougher than steel and smoother than you’d expect, add this ceramic bearing to your setup and go next-level with durability!