The Traxxas 5114A Ball Bearings are high‑quality black rubber‑sealed ball bearings sized 5×8×2.5 mm, sold as a 2‑pack and designed as a direct OEM replacement for many Traxxas RC vehicles. These sealed bearings help reduce friction, protect against dirt and debris, and ensure your drivetrain and steering components spin smoothly under load ideal for both maintenance and repair jobs.