NTN 6203LLU Small Size Ball Bearing Standard Seal Double Shield Precision Deep Groove Pro Grade For Motors Gearboxes Pumps And DIY Friendly Projects Great For Home Workshop Use

NTN 6203LLU Sealed Deep Groove Ball Bearing, Single
✔️ 17x40x12 mm sealed, double shield, precision deep groove (single)

The NTN 6203LLU is a small-size sealed ball bearing with a standard double shield, built for reliable performance in compact motors, gearboxes, pumps, and DIY projects in home workshops.

✅ Bore: 17 mm
✅ Outer diameter: 40 mm
✅ Width: 12 mm
✅ Seal: double shield (LLU) on both sides
✅ Type: sealed ball bearing, deep groove

💡 What is a sealed ball bearing used for in small machinery?

These handy components are used in compact machines to reduce friction and protect internal parts from dust and debris.

• Sealed double-shield design keeps lubricant in and contaminants out
• Metric size 17x40x12 mm fits standard hobby and industrial assemblies
• Easy to replace in motors, gearboxes, pumps, and DIY projects
• Supports smooth rotation at moderate speeds with reliable longevity