Hybrid Ceramic Ball Bearing 5x11x4mm ABEC 5 Stainless Steel Deep Groove Shielded On Both Sides To Guard Against Dust And Contaminants Ideal For Precision Applications Smooth Rolling Durable And Low Friction Performance

Single bearing: Hybrid Ceramic Ball Bearing 5x11x4mm
✔️ 5x11x4 mm, stainless shield, dry-lubed, ceramic Si3N4 ABEC-5

This compact radial deep groove bearing blends stainless steel races with ceramic balls, delivering smooth rotation and corrosion resistance in tight spaces. It's ideal for small precision tools, hobby machines, and compact robotics where clean operation and long life matter.

✅ Inner diameter: 5 mm
✅ Outer diameter: 11 mm
✅ Width: 4 mm
✅ Ball material: Si3N4 ceramic
✅ Cage material: stainless steel 440C
✅ Shielding: ZZ shields on both sides
✅ Lubrication: dry (no oil)
✅ ABEC rating: ABEC-5

💡 What is a ball bearing used for in small precision devices?

These tiny precision bearings help parts spin smoothly and stay aligned in tight spaces.

- Reduces friction and wear in compact assemblies - Supports radial loads while enabling precise movement - Improves efficiency in hobby machines and micro motors - Ceramic variants offer higher hardness and lower friction in dry setups