6304LU Sealed Bearing 20x52x15mm

6304LU Sealed Ball Bearing
✔️ 20 x 52 x 15mm – Rubber Sealed – Chrome Steel

The 6304LU is a deep groove ball bearing designed for high durability and smooth performance in electric motors, gearboxes, and general machinery. With a rubber seal on one side, it offers effective protection against dust and debris while retaining grease for long-term, maintenance-free use.

✅ Type: Deep groove ball bearing
✅ Material: Chrome steel (52100 alloy)
✅ Closures: Single rubber seal (LU)
✅ Size: 20mm (ID) x 52mm (OD) x 15mm (Width)
✅ Lubrication: Pre-lubricated with grease
✅ Quantity: 1 bearing

💡 What does “LU” mean in a bearing?
“LU” typically indicates a single rubber seal on one side of the bearing. It's designed to block contaminants while allowing easy access for maintenance if needed.

A reliable, sealed bearing for smooth rotation and long-lasting performance in everyday mechanical setups.