Cuscinetto Sealed 20mm 37mm 9mm , a gola 9mm , Chrome Steel . Cuscinetto di precisione resistente per macchinari.Inner Diameter 20mm ,Outer Diameter 37mm ,Width 9mm .Width per applicazioni industriali. Adatto anche per motori, nastri trasportatori e robotica.

Premium 6904DDU sealed ball bearing 20x37x9 mm
✔️ 20x37x9 mm / 0.79x1.46x0.35 in, chrome steel, pre-lubed

The 6904DDU is a sealed deep groove ball bearing designed for smooth rotation in compact spaces. It uses chrome steel for strength and rubber seals to keep dirt out, making it a solid choice for automation, conveyors, motors, and hobby projects.

✅ Inner diameter mm, outer diameter mm, width mm
✅ Material: Chrome steel 52100) con seals in gomma
✅ Lubrificazione: pre-lubrificato con grasso
✅ Type: Sealed deep groove ball bearing
✅ Pack: 1 bearing (single)

💡 What is a sealed ball bearing used for in general mechanical assemblies?

These bearings provide smooth motion, protection, and long life in common metalworking setups. - handy for motors, conveyors, and linear motion in tight spaces
- protects against dust and moisture with rubber seals
- reduces maintenance thanks to pre-lubricated grease
- supports radial loads with low friction for longer life