Ball Bearings Kit For PRO 4 4000 RC ESC With Rubber Sealed Closures And Double Sided Seals, Low Friction Grease, Corrosion Resistant Chrome Steel 52100 Balls, ABEC 1 Precision, High Quality From VXB

Sealed ball bearings kit for PRO 4 4000 RC motors
✔️ Set of 2 sealed bearings with double-seal ABEC-1 precision

These compact two-pack ball bearing kits are designed for high-demand RC drive systems, delivering smooth rotation and protected operation in tight spaces. They’re ideal for replacing worn bearings in gearboxes, wheels, and motor assemblies to maintain precise control and performance.

✅ Chrome steel balls 52100 SAE for high hardness and corrosion resistance
✅ Rubber seals on both sides: double-sided protection against dirt and moisture
✅ Low friction grease lubrication for smooth operation and reduced wear
✅ ABEC-1 precision for consistent, reliable performance
✅ Pack of 2 bearings per kit for quick replacement

💡 What is a sealed ball bearing used for in RC gear and hobby applications?

These handy components keep motion smooth in compact drive trains and can dramatically extend their life.

- Sealed protection keeps dirt out of RC motors and gearboxes - Handy upgrade to improve efficiency and control in tight spaces - Designed for high-load, precision-running setups - Replacements for common two-bearing kits in RC applications