5x11x4 Zirconia Full Ceramic Sealed Miniature Bearing, 5mm Inner Diameter, 11mm Outer Diameter, 4mm Width, High Purity Ceramic Ball Bearing For Precision Machinery, Industrial Equipment, Medical Devices And Aerospace Applications

This full ceramic sealed miniature ball bearing is built from zirconia (ZrO2) ceramic, with a PTFE cage and white PTFE covers. It’s designed for high-precision, corrosion-resistant motion in compact assemblies across medical devices, lab gear, and automation equipment.

✅ ID 5 mm, OD 11 mm, width 4 mm
✅ Material: Zirconia ceramic balls and races
✅ Cage: PTFE for low friction and chemical resistance
✅ Seals: PTFE covers for contamination protection
✅ Type: Full ceramic sealed bearing
✅ Pack: 1 bearing

💡 What is a sealed ceramic ball bearing used for? This handy option delivers precision, durability, and corrosion resistance in tight spaces.
- Useful in precision instruments, automation, and medical devices
- Handles dry and moderate-wet environments with low friction
- Lightweight and compact for space-constrained designs