6904DW Cuscinetto a sfere a gola profonda aperto Chrome Steel 18.7x37x9mm Inner Diameter 37mm Outer Diameter 9mm Width AB Cuscinetto aperto per alternatori, motori e macchinari industriali per uso automobilistico

6904DW Open Ball Bearing 18.7x37x9mm Chrome Steel, 1 pc
✔️ 6904DW AB Open Chrome Steel Ball Bearing, ID 18.7mm, OD 37mm, W 9mm

Open deep groove ball bearing with chrome steel construction, sized 18.7 x 37 x 9 mm, designed for easy inspection and cooling in alternators and small machinery.

✅ Inner diameter: 18.7 mm
✅ Outer diameter: 37 mm
✅ Width: 9 mm
✅ Open design (no seals or shields)
✅ Struttura “ Chrome steel ”
✅ Type: cuscinetto a sfere a gola Type:
✅ Pack size: cuscinetto

💡 What is a ball bearing used for in simple mechanical systems?

In simple terms, ball bearings reduce friction and support rotating parts.

- Reduces friction between moving surfaces - Supports shafts and radial loads in motors and gearboxes - Improves efficiency and longevity by minimizing heat and wear - Available in chrome steel open types and ceramic variants