Two Pieces Shielded Miniature Ball Bearings 5.5 X 2.2 Mm, Chrome Steel 52100, ZZ Shielded Dust Resistant, Pre Lubricated With Grease For Immediate Fit, Smooth Low Friction Operation, Ideal For Precision Micro Mechanisms

Shielded miniature bearing 2x5.5x2.2 mm for small axes
✔️ Shielded ball bearing, chrome steel 52100, pre-lubricated

This compact shielded ball bearing is designed for small shafts and micro assemblies, providing smooth rotation in tight spaces. It's commonly used in hobby robotics, micro gear trains, and compact CNC parts.

✅ Inner diameter 2.0 mm, outer diameter 5.5 mm, width 2.2 mm
✅ Material: chrome steel 52100 for strength and wear resistance
✅ Shielding: double metal shields (ZZ) protect against dust and dirt
✅ Lubrication: pre-lubricated with grease for immediate use
✅ Pack size: 1 bearing

💡 What is a shielded miniature bearing used for in small machinery?

This handy component is designed for compact, load-bearing tasks. - In robotics and micro machining - Provides dust protection with ZZ shields and grease lubrication - Fits small shafts, 2.0 mm bore