H&R Racing HR0305 – Single Flanged Chrome Steel Ball Bearing (1/8" x 1/4") High-Performance Axle Support for 1/24 Scale Slot Cars Product Overview Upgrade your slot car’s rear axle support with H&R Racing’s HR0305 Single Flanged Ball Bearings. Designed for a 1/8" axle, these premium chrome steel bearings reduce friction and increase precision, offering better handling and longer life than traditional bronze bushings. Though more expensive than sintered bushings, the benefits are clear: reduced axle vibration, superior fit, lower rolling resistance, and vastly improved durability. Ball bearings almost never need replacement, while bushings wear quickly and require frequent maintenance. Key Specs Outer Diameter: 1/4" Inner Diameter: 1/8" Material: Chrome Steel Type: Single Flanged Brand: H&R Racing Model Number: HR0305 Application: Ideal for 1/24 club racing cars CARS Club Legal Fully legal for CARS H&R Series competition use.