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):