Shielded Miniature Ball Bearing 3mmx7mmx3mm, 683ZZ Chrome Steel With Dual Metal Shields, Pre Lubricated Greased Deep Groove Bearing For Precision Machinery, Hobby RC And Robotics Applications, Low Friction High Durability

Shielded 683ZZ Miniature Bearing 3x7x3 mm, single, pre-lubed
✔️ 3 mm bore, 7 mm outer diameter, 3 mm width, shielded, grease-lubed

The 683ZZ Shielded Miniature Bearing is a compact chrome steel ball bearing designed for small, high-speed applications. Its dual metal shields protect the inner race from dust and contamination, while being pre-lubricated for immediate use in micro motors, RC toys, drones, 3D printers, and other precise, low-clearance setups.

✅ Inner diameter: 3 mm
✅ Outer diameter: 7 mm
✅ Width: 3 mm
✅ Shielding: dual metal shields (ZZ)
✅ Lubrication: pre-lubed grease
✅ Material: chrome steel; max speed 66,000 RPM
✅ Dynamic load rating Cr: 310 N; Static load: 110 N
✅ Pack: 1 bearing

💡 What is a shielded ball bearing used for in small mechanical projects?

- Shielded bearings guard inner components from dust and debris in tight spaces. - Handy for micro motors, RC gear, 3D printers, and compact robotics. - Pre-lubricated grease means you can install and go without extra steps.