6203 KOYO Open Type Deep Groove Ball Bearing 17 mm Inner Diameter 40 mm Outer Diameter 12 mm Width Ideal for Precision Machinery Easy Replacement Smooth Operation Low Friction

6203 Open Type KOYO Deep Groove Ball Bearing 17x40x12
✔️ 17 mm bore, 40 mm OD, 12 mm width, open type KOYO

The KOYO 6203 open type deep groove ball bearing is a compact single‑row unit used in small motors, gearboxes, and conveyor rollers. Its open design helps with lubrication and cooling in setups where shields are not needed.

✅ Bore: 17 mm (0.669 in)
✅ Outer diameter: 40 mm (1.575 in)
✅ Width: 12 mm (0.472 in)
✅ Basic load ratings Cr 12.0 kN, C0r 4.80 kN

💡 What is a deep groove ball bearing used for in small machinery and general purpose equipment? This handy bearing is common in many machines because of its simple design and broad load capacity. - Supports radial loads and some axial loads in either direction. - Fits in compact spaces with standard bore and outer dimensions. - Works at moderate to high speeds with proper lubrication.