623ZZ Bearing 3x10x4mm - Shielded - Miniature

623ZZ Shielded Ball Bearing
✔️ 3mm x 10mm x 4mm - Chrome Steel with Double Metal Shields

This 623ZZ deep groove ball bearing is built with chrome steel and features double metal shields to block out dust and debris. Compact and reliable, it’s great for use in RC models, 3D printers, robotics, and precision tools that need fast, smooth rotation in a tight space.

✅ Pack of 1 shielded bearing
✅ Size: 3mm ID x 10mm OD x 4mm width
✅ Made from durable chrome steel
✅ Double metal shields (ZZ) for dust protection
✅ Pre-lubricated with grease
✅ Dynamic load rating: 640 N
✅ Static load rating: 230 N
✅ Grease speed rating: 52,000 RPM

☑️ Equal to: 623-ZZ / 623-2Z
☑️ KOYO: 623ZZ
☑️ NSK: 623ZZ
☑️ NMB: R-1030ZZ

Dimensions Table (mm)

💡 Why are 623ZZ ball bearings used in compact motion systems?
They're fast, tough, and fit in tight spaces:

• Shields keep out dust and extend bearing life

• Perfect for RC wheels, 3D printer extruders, and mini gearboxes

• Withstands high speeds with smooth motion

• Trusted size for countless micro-mechanical applications

Whether you’re building something small or upgrading a model, this bearing is a solid fit. Add it now and roll with confidence!