L-940 Miniature Ball Bearing 4mm x 9mm x 2.5mm

L-940 Miniature Ball Bearing
✔️ Open Deep Groove 4x9x2.5mm

The L-940 is a compact open miniature ball bearing built from durable 52100 chrome steel. With precision heat treatment, this steel reaches Rockwell 60 hardness, making it reliable for high-speed and light-load applications. Pack size: 1 bearing.

✅ Type: Single-row deep groove ball bearing
✅ Bore (ID): 4mm
✅ Outer diameter (OD): 9mm
✅ Width: 2.5mm
✅ Material: 52100 chrome steel (high carbon, heat-treated)
✅ Closure: Open (no seals/shields)
✅ Load capacity: Radial load with minimal axial support
✅ Precision: Standard grade for miniature bearings
✅ Quantity: 1 bearing

💡 Why are miniature open ball bearings used in high-speed equipment?
These bearings are designed for precision and efficiency in compact spaces.

• Handle radial loads smoothly with low friction

• Open design allows easy lubrication for high-speed setups

• Commonly used in hobby motors, instruments, and light machinery

If you want a reliable, compact bearing for small devices or high-speed projects, the L-940 is a smart pick, order one today and keep your equipment running smooth.