6904DW Open Deep Groove Ball Bearing Chrome Steel 18.7x37x9mm Inner Diameter 37mm Outer Diameter 9mm Width AB Open Bearing For Alternators Motors And Industrial Machinery For Automotive Use

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)
✅ Chrome steel construction
✅ Type: deep groove ball bearing
✅ Pack size: 1 bearing

💡 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