Open Ball Bearing 3x8x3 Miniature With 3mm Bore Deep Groove Chrome Steel 52100 Inner Diameter 3mm Outer Diameter 8mm Width 3mm Open Bearing For Hobby And Precision Machinery Ideal For RC Models Micro Machinery And Hobby Projects

Small 3x8x3 mm open ball bearing for micro assemblies
✔️ 3x8x3 mm open bearing, 52100 chrome steel, single pack

This compact, open ball bearing is ideal for micro gearboxes, robotics, and precision mechanisms where space is tight and lubrication is straightforward.

✅ Inner diameter: 3 mm
✅ Outer diameter: 8 mm
✅ Width: 3 mm
✅Material: chrome steel
✅ Dynamic load rating Cr: 0.55 kN
✅ Static load rating Cor: 0.17 kN
✅ Speed rating: Grease up to 64,000 RPM; Oil up to 76,000 RPM
✅ 内容：ベアリング 1個

💡 What is a small open bearing used for in tight, precision assemblies? These handy parts support high-speed rotation in tiny spaces.
- open bearing design minimizes axial length and allows easy cooling
- chrome steel 52100 provides hardness and wear resistance
- fits 3 mm shafts in micro gearboxes and precision mechanisms