603-2RS Miniature Deep Groove Ball Bearing 3x9x5mm Rubber Sealed On Both Sides Chrome Steel 52100 High Precision Micro Bearing For Hobby RC Drones 3D Printers Model Trains Small Machinery And Precision Assemblies

Small sealed ball bearing 3x9x5 mm, 1 pc pack
✔️ Size 3x9x5 mm; chrome steel 52100; rubber seals; 1 pc

Tiny, high-precision deep groove ball bearing designed for compact devices. Commonly used in RC models, small motors, drones, and other precision assemblies where space is limited, dust resistance matters.

✅ Inner diameter: 3 mm
✅ Outer diameter: 9 mm
✅ Width: 5 mm
✅ Material: Chrome steel 52100
✅ Seals: Rubber seals on both sides (2RS)
✅ Quantity: 1 bearing

💡 What is a sealed ball bearing used for in small machinery?

These handy bearings support smooth rotation in tight spaces and protect precision equipment.

- sealed ball bearing with 2RS seals for dust protection - ideal for miniature gear trains, RC models, and tiny motors - reduces friction and wear in compact, radial-load applications