Miniature Ball Bearing 1.5x5x2mm Chrome Steel Deep Groove Single Row High Speed Bearing Up To 80,000 RPM For Micro Motors RC Models Jewelry Robotics Precision Machinery And Other Small Applications

Compact 691X Miniature Ball Bearing 1.5x5x2 mm
✔️ Single 691X miniature deep groove ball bearing, chrome steel, 80k rpm

The 691X is a tiny, high-precision deep groove ball bearing built from tough chrome steel. It's designed for precision gear trains, micro motors, RC toys, and compact drives where smooth, low-friction rotation matters.

✅ Size: 1.5 x 5 x 2 mm
✅ Type: miniature deep groove, single row
✅ Material: chrome steel for durability
✅ Closures: open bearing
✅ Max rpm: up to 80,000 rpm
✅ Configuration: compact, single bearing

💡 What is a small ball bearing used for in precise mini systems?

In short, it's a compact, low-friction pivot that supports rotary motion in tiny assemblies.

• tiny-precision rotor support for micro motors
• low runout and smooth rotation in compact gear trains
• works with open and sealed designs in hobby and lab setups