The RERBS901‑046 4×8×3 mm Ball Bearings (2 pcs) are precision drivetrain components designed to support rotating shafts and reduce friction in compatible RC cars and trucks. These bearings feature hardened steel races and balls that roll smoothly under load, helping improve efficiency and consistency in high‑speed rotation. Their compact 4×8×3 mm size makes them suitable for use in small hubs, idler gears, pulleys, or low‑torque drivetrain locations that require dependable low‑friction support. Manufactured with quality construction, they resist wear and handle the stresses of aggressive driving and off‑road use. These bearings are ideal for replacing worn, noisy, or damaged bearings during routine maintenance or performance upgrades.
Features
• Set of 2 ball bearings (4×8×3 mm) for compatible RC vehicles
• Precision hardened steel construction for durability and wear resistance
• Reduce friction for smooth rotation and efficient power transfer
• Suitable for use in hubs, gearboxes, and rotating assemblies
• Help maintain consistent performance under load and speed
• Compact size for tight‑fit bearing locations
• Ideal replacement or upgrade parts during routine maintenance or tuning