68/2.5 Miniature Ball Bearing 2.5mm x 6mm x 1.8mm

68/2.5 miniature ball bearing
✔️ 2.5mm x 6mm x 1.8mm open chrome steel design

This single 68/2.5 miniature ball bearing is built from 52100 chrome alloy steel, offering high hardness and smooth operation in compact applications. Commonly used in micro motors, instruments, RC models, and precision mechanisms where small size and accuracy are critical.

✅ Size: 2.5mm inner diameter x 6mm outer diameter x 1.8mm width
✅ Material: 52100 chrome steel, heat-treated to ~60 Rockwell hardness
✅ Type: open radial miniature bearing
✅ Closure: open for easy cleaning and lubrication access
✅ Standard: metric precision bearing
✅ Pack size: one bearing

💡 Why use open miniature bearings in small precision systems?
They provide smooth, fast motion with minimal rolling resistance.
- Allow easy re-lubrication for long service life
- Handle high RPMs in small-scale setups
- Ideal for RC drives, instruments, and small gear assemblies

A tiny but tough bearing that delivers smooth motion where space is tight, durable, precise, and ready for your next micro project.