L1040ZZ Deep Groove Ball Bearing 4x10x4mm Single Row Radial Bearing with Double Shields, Miniature Precision Bearing for Smooth Rotation, High Speed Performance and Compact Mechanical Applications

L1040ZZ Deep Groove Radial Ball Bearing 4x10x4mm
✔️ Miniature Shielded Ball Bearing 4mm ID 10mm OD 4mm Wide

This L1040ZZ deep groove ball bearing is a compact radial bearing designed for small motors, precision tools, hobby equipment, and light mechanical assemblies. It’s commonly used where smooth rotation, low noise, and reliable performance are needed in tight spaces. This listing is for one single bearing.

✅ Pack size includes one bearing
✅ Deep groove single row radial ball bearing design
✅ Shielded ZZ construction to help keep out dust and debris
✅ Inner diameter 4mm (.157 inch)
✅ Outer diameter 10mm (.394 inch)
✅ Width 4mm (.157 inch)
✅ Made for smooth rotation and stable performance in small mechanical systems
✅ Suitable for motors, hobby projects, instruments, and light-duty machinery

Dimensions
Parameter Metric Inch
Inner Diameter 4mm 0.157
Outer Diameter 10mm 0.394
Width 4mm 0.157

Load Ratings
Dynamic Load 0.9 kN
Static Load 0.35 kN

💡 Why are deep groove ball bearings commonly used in small rotating applications?
Deep groove ball bearings are popular because they handle radial loads efficiently while running smooth and quiet.

• Simple internal geometry supports steady rotation at higher speeds

• Shielded designs help protect against contamination and extend bearing life

• Compact sizing makes them ideal for motors, tools, and precision assemblies

This miniature bearing is a handy choice when you need dependable rotation, compact sizing, and smooth performance in tight mechanical setups.