This set includes two high-quality ball bearings engineered with durable steel races and precision-ground balls for smooth rotation and reduced friction within your RC vehicle's drivetrain components. Specifically designed for applications requiring a 5mm inner diameter, 10mm outer diameter, and 4mm width, these bearings ensure optimal performance and longevity in demanding RC environments. They are crucial for maintaining efficient power transfer and minimizing wear on gears and shafts, making them an essential replacement or upgrade part.
