7 x 13 x 4 mm Ceramic Shielded Ball Bearing miniature deep groove bearing with zirconia ceramic balls chrome steel races double metal shields grease lubrication and smooth low friction performance for compact applications

7 x 13 x 4 Hybrid Ceramic Shielded Ball Bearing
✔️ Miniature Deep Groove Bearing with Ceramic Balls

This miniature hybrid ceramic ball bearing is designed for compact, high-speed applications where smooth rotation and reduced wear are important. It combines ceramic balls with steel races, making it a handy choice for small motors, RC models, 3D printers, and precision mechanical assemblies.

✅ Pack size: 1 bearing
✅ Bearing type: deep groove ball bearing
✅ Hybrid design with ceramic balls and steel races
✅ Ball material: zirconia ceramic ZrO2
✅ Double metal shields ZZ for dust protection
✅ Pre-lubricated with grease and ready to use
✅ Low friction and smooth rolling in small spaces
✅ Common miniature size used in precision equipment

Dimensions
(All dimensions listed are metric only)

Inner diameter: 7 mm
Outer diameter: 13 mm
Width: 4 mm

💡 Why are hybrid ceramic shielded ball bearings used in miniature high-speed applications?
Hybrid ceramic miniature bearings are often chosen to improve efficiency and lifespan in compact systems.

• Ceramic balls reduce friction and heat generation at higher speeds

• Metal shields help block dust and debris in tight assemblies

• Hybrid construction balances durability with smooth performance

• Ideal for small motors, hobby equipment, and precision devices

This bearing delivers reliable, smooth motion in a compact size, making it a solid option for miniature applications that demand clean and efficient rotation.