The TKRBB05104 5x10x4 Metal Shield Ball Bearings (4pcs) from Tekno RC are high-quality, precision-engineered bearings designed to reduce friction and ensure smooth rotation in your RC vehicle’s drivetrain, wheels, and suspension components. Featuring metal shields, these bearings provide added protection against dirt and debris while maintaining long-lasting performance under high-stress conditions. The TKRBB05104 bearings are compatible with select Tekno RC vehicles, including the EB48 series, ET48 series, NB48 series, SCT410, and MT410 platforms. Ideal for maintenance, rebuilds, or performance upgrades, these bearings help maintain consistent handling and efficient drivetrain operation. Always verify compatibility with your specific model before installation.