25 Pack Full Ceramic 686-2RS Sealed Si3N4 Miniature Ball Bearings 6x13x5mm With PTFE Cage 6mm Inner Diameter 13mm Outer Diameter 5mm Width High Precision Ceramic Bearings For Hobby And Small Machinery

Full Ceramic 686-2RS Miniature Bearings 6x13x5mm
✔️ Pack of 25 full ceramic sealed bearings, Si3N4 balls 6x13x5

These are sealed full ceramic miniature bearings sized 6x13x5mm, built with Si3N4 ceramic balls and races for high speed, low friction, and corrosion resistance. They’re ideal for micro machinery, robotics, hobby motors, and precision instruments in dry, clean environments.

✅ Inner diameter 6 mm, outer diameter 13 mm, width 5 mm
✅ Full ceramic Si3N4 balls, Si3N4 races, PTFE cage
✅ 2RS sealed design for moisture and dust protection
✅ Pack of 25 bearings per order for wholesale pricing

💡 What is a sealed full ceramic bearing used for in precision devices? This handy choice helps with high speed, low friction, and long life. - Handy for compact systems where smooth motion matters - Reduces heat buildup in small gear trains - With ceramic balls, it resists wear and corrosion better - Works well in sealed housing with dry lubrication