20個入り627ZZ Shielded ベアリング ミニチュア7x22x7mm Chrome Steel デュアルダストShields Chrome Steel 。電動モーターおよび精密小型機械Shields 。用途：

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
✅ Shielding: Double metal shields on both sides for dust protection
✅ 潤滑：グリースがあらかじめ塗布されており、すぐに使用可能です
✅ 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)
✅ 内容：1パックあたりベアリング20個

💡 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