604 Full Ceramic Si3N4 Bearing 4x12x4mm Miniature

604 Full Ceramic Ball Bearing
✔️ Silicon Nitride 4x12x4 mm

The 604 full ceramic ball bearing is built entirely from silicon nitride for high performance and durability. Lightweight, non-magnetic, and corrosion-resistant, it’s a solid choice for applications where metal bearings can’t handle extreme conditions.

✅ Type: Full ceramic ball bearing
✅ Inner/outer races: Si3N4 ceramic (silicon nitride)
✅ Balls: Si3N4 ceramic (silicon nitride)
✅ Cage material: PTFE (polytetrafluoroethylene)
✅ Inner diameter: 4 mm
✅ Outer diameter: 12 mm
✅ Width: 4 mm
✅ Standard: Metric
✅ Pack size: 1 bearing

💡 Why use full ceramic ball bearings in demanding applications?
Full ceramic bearings outperform steel in specialized environments.

• They resist corrosion and harsh chemicals

• Operate with low friction at high speeds

• Withstand higher temperatures and electrical insulation needs

A tough little bearing that keeps your equipment running smooth even under extreme conditions, grab one today and upgrade your setup.