Open Ball Bearing 681 1x3x1 Miniature Deep Groove Chrome Steel 52100 Alloy High Precision For Micro Machinery And Robotics 1mm Inner Diameter, 3mm Outer Diameter, 1mm Width, Open Type Bearing

Compact 1x3x1 mm open ball bearing for micro gear
✔️ Open 681 bearing, 1x3x1 mm, 52100 steel, high precision

This tiny open-ball bearing is used in micro mechanical assemblies where small, high-precision rotation is needed. Common applications include micro drones, model kits, tiny robotic joints, and precision instrument components.

✅ Inner diameter: 1 mm
✅ Outer diameter: 3 mm
✅ Width: 1 mm
✅ Material: 52100 chrome steel
✅ Type: Open ball bearing
✅ Dynamic load rating Cr: 100 N; Static load rating Cor: 30 N
✅ Max speed: Grease up to 130,000 RPM; Oil up to 150,000 RPM

💡 What is a small open ball bearing used for in micro assemblies?

A handy answer explains its role in guiding tiny shafts with minimal resistance. - micro precision gear trains and miniature robotics - compact open bearing for tiny shafts in hobby devices - chrome steel 52100 durability for high-speed operation - low friction, reliable rotation in small assemblies