10Pcs 6806ZZ Ball Bearings 30x42x7mm Thin Section Double Shield Chrome Steel High Speed Bearing For Robotics Hollow Shaft Motors Camera Gimbals And RC Drones, Ideal For Precision Projects, Smooth Rotations, Low Friction, And Fast Response

Precision 6806ZZ Thin-Section Bearings for Hollow Shafts
✔️ 10pcs, 30x42x7mm, dual shield ZZ, chrome steel ABEC-1

These compact, large-bore 6806ZZ ball bearings are designed for space-constrained assemblies where a hollow shaft or through- center wiring is needed. They pair a slim profile with strong chrome steel construction and dual shields, making them ideal for robotics, camera gimbals, precision printers, and indoor drone components.

✅ Inner diameter 30 mm, outer diameter 42 mm, width 7 mm
✅ Shielded ZZ on both sides for dust protection and low friction
✅ Chrome steel (GCr15) with ABEC-1 precision for smooth, reliable rotation
✅ Pre-lubricated with high-temperature grease for dry environments
✅ Pack of 10 pcs for multiple projects and replacements

💡 What is a thin-section ball bearing used for in hobby robotics?

These bearings are handy for projects that need a large bore without bulky housings. - Handy for hollow shafts in motors, camera gimbals, and small robotic joints
- Helps routing wiring or sensors through the center while keeping motion smooth
- Shielded design keeps dust out and reduces maintenance
- Chrome steel construction with good rigidity for long service life