6904DU Ball Bearing 20x37x9mm - Sealed

6904DU Sealed Ball Bearing
✔️ 20mm x 37mm x 9mm - Rubber Seals - Single Bearing

The 6904DU is a deep groove ball bearing with rubber seals on both sides, built from durable chrome steel for long-lasting performance. Pre-lubricated with grease, it's ideal for applications requiring smooth, quiet operation with added protection from dirt and moisture.

✅ Size: 20mm inner x 37mm outer x 9mm width
✅ Type: Deep groove ball bearing
✅ Material: 52100 chrome steel
✅ Closures: Double rubber seals (DU)
✅ Lubrication: Pre-greased for ready-to-use convenience
✅ Quantity: 1 bearing

💡 Why choose sealed ball bearings over open ones?
Sealed ball bearings help block out dust, moisture, and debris while retaining lubrication. They’re perfect for electric motors, gearboxes, and general machinery where longevity and low maintenance are key.

A reliable, sealed solution for high-speed motion - built to handle demanding environments with ease.