SKF BR930770 Wheel Bearing and Hub Assembly - Rear

Overview of SKF BR930770 Wheel Bearing and Hub Assembly

The SKF BR930770 is a precision-engineered wheel bearing and hub assembly designed specifically for Mazda CX-9 models. This component ensures reliable wheel rotation and supports the vehicle's driveline system with exact fitment and durability.

• Inside Diameter: 1.181 inches for accurate axle fitment
• Wheel Pilot Diameter: 2.637 inches ensuring proper wheel alignment
• Brake Pilot Diameter: 2.834 inches for secure brake component positioning
• Hub Pilot Diameter: 3.858 inches to maintain hub stability
• Flange Shape: Modified rectangular for optimized mounting
• Flange Offset: 2.480 inches to accommodate vehicle-specific geometry
• Flange Diameter: 5.511 inches for secure attachment

Detailed Product Description

The SKF BR930770 wheel bearing and hub assembly is engineered to meet the exact specifications required by Mazda CX-9 vehicles. The precise inside diameter of 1.181 inches ensures a snug fit on the axle shaft, while the wheel pilot diameter of 2.637 inches aligns the wheel correctly to prevent vibration and uneven tire wear. The brake pilot diameter of 2.834 inches supports proper brake rotor positioning, critical for consistent braking performance. The hub pilot diameter of 3.858 inches maintains the hub's stability under load. The modified rectangular flange shape and its 2.480-inch offset are designed to match the CX-9’s mounting points, ensuring a secure and stable connection. The flange diameter of 5.511 inches provides a robust surface for mounting the wheel assembly components.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with Mazda CX-9 models, providing a direct replacement for worn or damaged components. It is suitable for addressing issues related to wheel noise, vibration, and poor handling caused by faulty bearings or hubs.

• Eliminates wheel noise and humming sounds
• Reduces vibration during driving
• Restores proper wheel alignment and rotation
• Prevents uneven tire wear
• Supports brake rotor stability for consistent braking

Installation Notes and Tips

When installing the SKF BR930770 on a Mazda CX-9, ensure the hub assembly is properly seated on the axle shaft with the correct inside diameter fit. Verify that the flange aligns with the vehicle’s mounting points using the modified rectangular flange shape and offset. Use a calibrated torque wrench to tighten mounting bolts to manufacturer specifications to avoid premature wear or damage. It is recommended to inspect related components such as wheel studs and brake rotors during installation.

Quality Assurance and Warranty

SKF manufactures the BR930770 wheel bearing and hub assembly to meet stringent quality standards, ensuring durability and reliable performance. This part is backed by SKF’s quality assurance processes, providing confidence in fitment and function. Warranty coverage details should be confirmed through SKF or authorized distributors.