6904LLU 20x37x9mm Sealed Ball Bearing

6904LLU Sealed Ball Bearing
✔️ 20mm x 37mm x 9mm - Rubber Sealed Chrome Steel

The 6904LLU is a deep groove ball bearing made from high-strength chrome steel (52100 alloy) with rubber seals on both sides to keep grease in and dirt out. It’s a slim-profile bearing designed for use in electric motors, small gearboxes, and precision tools that need tight, reliable spin.

✅ Size: 20mm ID x 37mm OD x 9mm width
✅ Material: 52100 chrome steel for strength and durability
✅ Double rubber seals (LLU) for full protection
✅ Pre-lubricated with grease
✅ Equal: 6904EE, 6904UU, 6904PP, 61904-2RS1, 61904RS1, 61904R51
✅ Quantity: One bearing

Dimension Table (mm):

💡 Why are rubber-sealed deep groove bearings great for precision equipment?
They’re built to spin clean, quiet, and long without fuss.

• Seals block contaminants while keeping grease inside

• Chrome steel resists wear under constant motion

• Ideal for electric drives, office machines, and robotics

• Slim width fits tight spaces without sacrificing performance

Need smooth, sealed performance in a tight spot? This one’s ready-grab it today and keep your gear spinning right.