

10-Pack 623ZZ Bearings 3x10x4mm Miniature - Shielded
UPC: 00193019004074
Type: Deep groove ball bearings
Material: Chrome Steel
Dimensions: 3mm x 10mm x 4mm/Metric
ID (inner diameter)/Bore: 3mm
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):
ID | OD | Width | Cr (N) | Cor (N) | Max RPM |
---|---|---|---|---|---|
3mm | 10mm | 4mm | 640 | 230 | 52,000 |
💡 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!