20 Pack 627ZZ Shielded Ball Bearings Miniature 7x22x7mm Chrome Steel with Dual Dust Shields for Electric Motors and Precision Small Scale Machinery For Applications

Twenty-Pack Shielded 627ZZ Ball Bearings 7x22x7mm
✔️ 20-pack shielded bearings, chrome steel, pre-lubricated 7x22x7mm

These compact 627ZZ shielded ball bearings are ideal for precision work in tight spaces. They’re commonly used in RC cars, micro robotics, 3D printers, and small automation setups where smooth rotation and dust protection matter.

✅ Size: 7 mm bore x 22 mm outer x 7 mm width
✅ Material: Chrome steel for durability
✅ Shielding: Double metal shields on both sides for dust protection
✅ Lubrication: Pre-lubricated with grease for immediate use
✅ Type: Deep groove radial ball bearing for smooth operation
✅ Dynamic load rating: 3300 N
✅ Static load rating: 1350 N
✅ Maximum speed: 31,000 RPM (grease)
✅ Pack: 20 bearings per pack

💡 What is a shielded ball bearing used for in small machinery and hobby projects?

Shielded bearings protect spinning parts from dust and contamination, helping extend life in compact setups.

- handy in RC cars, drones, 3D printers, and compact robotics
- supports slim axles with a 7x22x7mm footprint
- reduces maintenance by keeping grease in place
- ideal for hobbyists needing ready-to-install bearings