685 Open Ball Bearing 5x11x5 Miniature Deep Groove Chrome Steel 52100 Open Type Bearing With 5 mm Inner Diameter 11 mm Outer Diameter 5 mm Width High Precision For Small Machinery And Hobby Projects

Compact 685 Open Ball Bearing 5x11x5 mm in chrome steel
✔️ 5mm bore, 11mm OD, 5mm width; chrome steel 52100, pack 1 open

This 685 open ball bearing is a compact, high-precision component commonly used in hobby motors, small gearboxes, drones, RC cars, and other precision assemblies where fast rotation and lightweight loads are common. The open design allows easy lubrication and inspection while avoiding seals that can trap dirt in clean environments.

✅ Dimensions: 5 x 11 x 5 mm (Bore x OD x Width)
✅ Material: 52100 chrome steel
✅ Type: Deep groove ball bearing, open
✅ Dynamic load rating Cr: 970 N, Static load rating Cor: 360 N
✅ Maximum speed: Grease 53,000 RPM; Oil 63,000 RPM
✅ Quantity: 1 bearing

💡 What are small 5x11x5 ball bearings used for in hobby machinery?

These handy bearings fit tight spaces and keep rotation smooth, making them great for compact projects.
- Used in micro motors and compact gearboxes
- Common in drones, RC cars, and 3D printers
- Easy to lubricate and inspect due to open design
- Works well in tight spaces thanks to small bore