12x21x6mm Shielded Ball Bearing Deep Groove Chrome Steel with Double Shielding for Precision, Durability, and Smooth Operation Inner Diameter 12mm Outer Diameter 21mm Width 6mm Ideal for Machinery and Hobby Projects

12x21x6mm Double Shielded Chrome Steel Ball Bearing - Single
✔️ Chrome steel, ZZ shielded, 12x21x6mm, 1920N dyn, 1040N static

These compact shielded ball bearings are used in small machinery, hobby robotics, RC models, 3D printers, and other precision applications where compact radial support and dust protection are needed.

✅ Chrome steel, ZZ shielded, 12x21x6mm
✅ Double metal shields for dust protection
✅ Inner diameter 12mm, outer diameter 21mm, width 6mm
✅ Dynamic load 1920 N, static 1040 N
✅ Pack: 1 bearing

💡 What is a 12x21x6 shielded ball bearing used for in small machinery?

These handy little bearings provide smooth rotation in compact systems. - ideal for hobby robotics, 3D printers, and small gearboxes - shields keep dust out, boosting life - chrome steel deep groove provides solid radial load support - compact size fits tight spaces and is easy to source