

623ZZ Bearing 3x10x4mm - Shielded - Miniature
UPC: 00193019053676
Type: Deep Groove Ball Bearing
Material: Chrome Steel
Dimensions: 3mm x 10mm x 4mm/Metric
ID (inner diameter)/Bore: 3mm
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)
Inner (d) | Outer (D) | Width (B) |
---|---|---|
3mm | 10mm | 4mm |
💡 Why are 623ZZ ball bearings used in compact motion systems?
They're fast, tough, and fit in tight spaces:
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Shields keep out dust and extend bearing life
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Perfect for RC wheels, 3D printer extruders, and mini gearboxes
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Withstands high speeds with smooth motion
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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!