SKF BR930603 Wheel Bearing and Hub Assembly - Front

Overview of SKF BR930603 Wheel Bearing and Hub Assembly

The SKF BR930603 is a precision-engineered wheel bearing and hub assembly designed specifically for Mazda 3 models. This component ensures reliable wheel rotation and supports vehicle stability by maintaining proper alignment and load distribution.

• Inside Diameter: 1.039 inches for accurate fitment
• Brake Pilot Diameter: 2.677 inches to align with brake components
• Hub Pilot Diameter: 3.070 inches for secure hub mounting
• Flange Diameter: 5.433 inches providing a stable mounting surface
• Overall Diameter: 4.500 inches ensuring compatibility with Mazda 3 wheel hubs

Technical Details and Specifications

The SKF BR930603 wheel bearing and hub assembly is manufactured to meet OEM standards, featuring precise dimensions critical for proper installation and performance. The inside diameter of 1.039 inches allows for a snug fit on the axle shaft, while the brake pilot diameter of 2.677 inches ensures correct positioning of the brake rotor. The hub pilot diameter of 3.070 inches provides a secure interface between the hub and the wheel, minimizing vibration and enhancing driving stability. The flange diameter of 5.433 inches offers a robust mounting surface for wheel attachment, contributing to overall vehicle safety and handling.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with Mazda 3 models, designed to replace worn or damaged components in the driveline and axle system. It is suitable for addressing issues related to wheel noise, vibration, and uneven tire wear.

• Eliminates wheel bearing noise and roughness
• Resolves wheel wobble and vibration during driving
• Prevents uneven tire wear caused by hub misalignment
• Restores proper brake rotor alignment
• Supports safe and stable wheel rotation

Installation Notes and Tips

When installing the SKF BR930603 on a Mazda 3, ensure the hub assembly is properly seated on the axle shaft with the correct torque specifications. Verify that the brake pilot diameter aligns precisely with the brake rotor to avoid brake system issues. It is recommended to inspect related components such as wheel studs and axle nuts during installation. Proper lubrication and cleanliness of the mounting surfaces will help achieve optimal performance and longevity.

Quality Assurance and Warranty

SKF manufactures the BR930603 wheel bearing and hub assembly under strict quality control standards to ensure durability and reliability. This part meets or exceeds OEM specifications for fit, form, and function. While specific warranty details may vary, SKF typically offers coverage against manufacturing defects, providing confidence in the product's performance for Mazda 3 driveline repairs.