10-Pack 623ZZ Bearings 3x10x4mm Miniature - Shielded

623ZZ Shielded Ball Bearings – 10-Pack
✔️ 3mm ID × 10mm OD × 4mm Wide - Chrome Steel - Double Shielded

This 10-pack of 623ZZ deep groove ball bearings is built for high-speed, low-friction performance in compact applications. Each bearing features double metal shields to block dust and debris, and is pre-lubricated for long-lasting use in 3D printers, RC motors, small tools, and more.

✅ Inner diameter (ID): 3mm
✅ Outer diameter (OD): 10mm
✅ Width: 4mm
✅ Type: Deep groove ball bearing
✅ Closures: Double metal shields (ZZ)
✅ Material: Chrome steel
✅ Dynamic load rating (Cr): 640 N
✅ Static load rating (Cor): 230 N
✅ Max grease-lubricated speed: 52,000 RPM
✅ Quantity: 10 bearings
✅ Also known as: 623-2Z, 623-ZZ, R-1030ZZ

Dimensions Table (mm):

💡 What are 623ZZ bearings used for in compact devices?
These small bearings are perfect for high-speed, low-load applications where space is tight - like drones, hobby motors, 3D printer components, and dental tools. The double shields help keep grease in and dust out for a longer operating life.

Tiny but tough - add these 623ZZ bearings to your project for smooth spins and quiet performance!