6911DU Sealed Ball Bearing 55x80x13mm

6911DU Sealed Ball Bearing
✔️ Deep Groove - 55mm ID x 80mm OD x 13mm Wide

The 6911DU is a high-precision deep groove ball bearing built for electric motor applications and demanding industrial environments. It features double rubber seals to keep out dirt and moisture, along with factory-applied grease so it’s ready to perform right out of the box. This listing includes one bearing.

✅ Bearing type: Deep groove radial ball bearing
✅ Model: 6911DU
✅ Inner diameter: 55mm
✅ Outer diameter: 80mm
✅ Width: 13mm
✅ Seal type: Double rubber sealed (DU/RS)
✅ Cage material: Chrome steel
✅ Balls: Chrome steel
✅ Lubrication: Greased and sealed
✅ Radial clearance: C0 (standard)
✅ Dynamic load rating: 16,000 N
✅ Static load rating: 13,200 N
✅ Limiting speed (greased): 4790 RPM
✅ Quantity: 1 bearing

💡 Why are sealed ball bearings used in electric motors?
Sealed bearings reduce maintenance by keeping grease in and contaminants out. This results in smoother operation, longer service life, and better resistance to wear - especially in electric motors where uptime and quiet performance are essential.

Ready for long hours and smooth spins - this bearing’s built for performance. Order one today and keep your machinery rolling!