6x12x4 Shielded Ball Bearing Chrome Steel 52100 With Double ZZ Shields, Precision Miniature Wheel Bearing For RC Cars And Trucks, Durable Low-Friction Bearing For Hobby Applications, Keeps Dust Out And Delivers Smooth Rotation
✔️ Chrome steel 52100, shielded (ZZ), pre-lubricated for immediate use
These shielded miniature ball bearings are compact, precision parts designed for RC cars, airplanes, drones, and other small machinery. They come pre-lubricated with grease and feature double shields to resist dust and dirt, making them a practical upgrade for hobbyists and DIY projects.
✅ Size: bore 6 mm, outer 12 mm, width 4 mm (6x12x4 mm) (0.236 in x 0.472 in x 0.157 in)
✅ Material: chrome steel 52100 alloy steel
✅ Shielding: double metal shields ZZ for dust protection
✅ Lubrication: pre-lubricated grease for immediate use
✅ Dynamic load: Cr 710 N, Static load Cor 290 N
✅ Speed rating: grease-lubricated up to 49,000 RPM
💡 What is a shielded miniature bearing used for in hobby RC and small machinery?
Handy, reliable option for compact drives exposed to dust and dirt.
- Small form factor for tight spaces - Dust shields extend service life - Pre-lubricated grease saves maintenance - Chrome steel 52100 provides wear resistance