Roulement à billes ouvert 681 1x3x1 miniature à gorge profonde Chrome Steel alliage Chrome Steel haute précision pour micro-machines et robotique ;Inner Diameter 1mm ,Outer Diameter 3mm ,Width 1mm , roulement de type ouvert

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: chrome steel Material:
✅ 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