12 Pack 6809-2RS Full Ceramic Ball Bearings Si3N4 Sealed 45x58x7mm Set For Industrial Machinery And Precision Equipment Reducing Friction And Wear High Speed Capability With Long Service Life

12-Pack Full Ceramic 6809-2RS Bearings 45x58x7mm
✔️ 12-pack, ID 45mm, OD 58mm, width 7mm; full ceramic Si3N4

These are full ceramic ball bearings (Si3N4) designed for high-speed, precision work where corrosion resistance and low friction matter. Sealed 2RS design protects against dust and moisture in demanding environments.

✅ Type: Full ceramic bearing (Si3N4) with 2RS seal
✅ Dimensions: ID 45mm, OD 58mm, width 7mm
✅ Materials: Si3N4 races and balls; PTFE cage
✅ Seal: Sealed 2RS for dust/moisture resistance
✅ Pack: 12 bearings per pack

💡 What is a full ceramic ball bearing used for in high-speed machinery? Here’s a handy, concise answer.

- High-speed, low-friction operation due to ceramic balls - Excellent corrosion resistance and thermal stability in harsh environments - Sealed 2RS design to keep dust and moisture out - Suitable for robotics, CNC spindles, and precision automation