681XZZ Deep Groove Ball Bearings Double Shielded Chrome Steel Z2 Quiet ABEC 1 1.5mm Inner Diameter 4mm Outer Diameter 2mm Bore For Small Projects And DIY Micro Machines 20 Pieces

20-Pack 681XZZ Deep Groove Shielded Chrome Bearings
✔️ ABEC 1 tolerance, Z2 noise, double-shielded chrome steel

These compact 681XZZ deep groove ball bearings are shielded on both sides, designed for small DIY projects, micro machines, and hobby robotics where space is tight.

✅ Inner diameter 1.5 mm, outer diameter 4 mm, width 2 mm
✅ Double-shielded on both sides to keep lubricant in
✅ Chrome steel (GCr15) for durability and load handling
✅ ABEC 1 (P0) tolerance with Z2 noise level for general use
✅ Static load 26 N, dynamic load 95 N
✅ Pack size: 20 bearings

💡 What is a small shielded ball bearing used for in hobby micro projects?
These handy bearings are great for compact spaces and lightweight loads.
- Handy for micro robotics, RC builds, 3D printers
- Keeps lubricant in and dust out with double shields
- Chrome steel construction handles frequent radial loads