5x11x4 Open Type Ball Bearing Deep Groove Chrome Steel 52100 For Miniature Applications, 5mm Inner Diameter, 11mm Outer Diameter, 4mm Width, Open Closure Ball Bearing, Chrome Steel Precision Component

Compact 5x11x4 Open Ball Bearing, Chrome Steel
✔️ ID 5mm, OD 11mm, width 4mm; chrome steel 52100, 1 bearing

These tiny open ball bearings measure 5x11x4 mm and are made from durable chrome steel (52100). They’re perfect for compact assemblies in precision gearboxes, micro robotics, model projects, and other small machines where space is tight.

✅ 5x11x4 mm size for compact setups
✅ Deep groove design for radial loads in small gears
✅ Chrome steel 52100 for hardness and wear resistance
✅ 1 bearing per pack, ready to install

💡 What is an open ball bearing used for in compact hobby machines?

- open ball bearing for compact hobby machines and micro gearboxes - supports smooth rotary motion in drones, robotic joints, and precision mechanisms - chrome steel 52100 provides long life and wear resistance in routine use