681 Deep Groove Ball Bearings 1mm Inner Diameter 3mm Outer Diameter Open Type Chrome Steel Z2 Noise ABEC 1 P0 Precision Bearings Pack Of 20 For Micro Machines And Robotics Projects

681 Deep Groove Ball Bearings 1mm ID, 3mm OD, Pack of 20
✔️ 1.0 mm ID, 3.0 mm OD, 1.0 mm thickness, chrome steel, ABEC 1 P0, Z2 noise

These 681 open-type deep groove ball bearings are tiny chrome steel bearings designed for micro machines and robotics projects.

✅ I.D. 1 mm, O.D. 3 mm, thickness 1 mm
✅ Open type for lubrication
✅ Chrome steel GCr15 construction, rust/corrosion resistant
✅ ABEC tolerance 1 (P0), Z2 noise level for general use
✅ Static load 21 N, dynamic load 82 N
✅ Pack of 20 bearings in one color

💡 What is a small deep groove ball bearing used for in micro machines and robotics?

These handy bearings are built for small, precise motion in compact builds.

- handy for lightweight, compact motion in micro machines
- reliable, quiet performance with tight tolerances
- ideal for hobby robotics and micro machine projects