10 Pack Shielded Miniature Ball Bearings 1.5x4x2 mm Chrome Steel High Speed Up To 115,000 RPM Durable For Precision Projects Ideal For RC Models Robotics CNC 3D Printers And Fine Mechanisms

These shielded miniature ball bearings are compact, high-performance units sized 1.5 x 4 x 2 mm. They’re commonly used in precision hobbies and small machinery where smooth rotation and reliable wear resistance matter, such as RC models, 3D printers, micro robotics, and compact gear trains.

✅ Size: 1.5 x 4 x 2 mm deep groove ball bearings
✅ Material: Chrome steel for strength and durability
✅ Shielding: double metal shields (ZZ) for dust protection
✅ Lubrication: pre-lubricated with grease for smooth operation
✅ Pack: 10 bearings in one plastic tube

💡 What is a sealed miniature bearing used for in small, precise machinery? Compact bearings like this are handy in tight spaces where smooth rotation and dirt protection matter. - High RPM operation
- ZZ shields for dust protection
- Chrome steel durability
- Pre-lubricated for quick install