2 x 5.5 x 2.5 mm Miniature Ball Bearing Made from Chrome Steel with Double Metal Shields Designed for Smooth Rotation and Dust Protection in Precision Applications

2mm x 5.5mm x 2.5mm Miniature Ball Bearing
✔️ Double Shielded Deep Groove Bearing ZZ

This miniature deep groove ball bearing is built for compact mechanisms where space is tight and smooth rotation is critical. It’s commonly used in small motors, hobby projects, precision tools, and micro mechanical assemblies that need dependable performance in a tiny footprint.

✅ Pack size: 1 bearing
✅ Bearing type: deep groove ball bearing
✅ Shielding: double metal shields ZZ for dust protection
✅ Material: high-strength chrome steel
✅ Smooth rolling with low friction
✅ Designed for compact and precision applications
✅ Standard metric bearing size used across many industries

Dimensions
(All dimensions listed are metric only)

Parameter Size
Bore ID 2mm
Outer Diameter 5.5mm
Width 2.5mm

💡 Why are double shielded miniature ball bearings used in small precision devices?
Double shielded miniature bearings are chosen when protection, consistency, and smooth motion matter in tight spaces.

• Metal shields help keep dust and debris out of the raceway

• Deep groove design supports stable radial loads at small scales

• Chrome steel construction improves wear resistance and lifespan

• Compact size allows reliable performance in micro mechanisms

This bearing is a handy solution for clean, stable rotation in small-scale applications where precision and durability go hand in hand.