Ball 3x8x12mm (2pcs), ARA-2051

ARRMA 3x8x12mm steel balls replacement pack (2 pcs)
✔️ 3 mm bore, 8 mm diameter, 12 mm width; steel construction

These ARRMA replacement steel balls are a handy spare for ARRMA RC vehicles, used in drivetrain assemblies to maintain smooth rotation and durability. Pack includes 2 x 3x8x12 mm steel balls, ready for quick swap in the field or at the workbench.

✅ Includes: 2 x 3x8x12 mm steel balls for ARRMA vehicles
✅ Material: tough steel for long-lasting durability in all conditions
✅ Dimensions: 3 mm bore, 8 mm diameter, 12 mm width
✅ Fits ARRMA drivetrain components and similar RC kits

💡 What is a ball bearing used for in hobby RC and small machines?

These tiny steel balls support rotating shafts and cut friction, boosting smooth motion and durability. Handy for keeping drive systems aligned and reducing wear.

- Reduces shaft wear and keeps parts aligned - Improves smoothness under load in RC drivetrains - Easy to swap in with standard ARRMA parts - Compatible with many 3x8x12 mm ball configurations