FAG 103321 Wheel Bearing and Hub Assembly - Rear

Overview of FAG 103321 Wheel Bearing and Hub Assembly

The FAG 103321 wheel bearing and hub assembly is engineered for precise fitment on Mazda CX-5 models. Designed to meet OEM specifications, this component ensures reliable wheel rotation and vehicle stability.

• Compatible with Mazda CX-5 driveline and axle systems
• 5 wheel studs with a bolt hole diameter of 114.3 mm (4.500 inches)
• Brake pilot diameter measures 67.9 mm (2.673 inches) for accurate brake rotor alignment
• Hub pilot diameter of 82.8 mm (3.260 inches) ensures proper hub centering
• Flange diameter of 138.7 mm (5.461 inches) for secure mounting
• Includes 4 inlet mounting holes for stable installation
• Non-ABS tone ring compatible with gen 1, 2, and 3 systems
• Wheel flange width of 57 mm (2.244 inches) for knuckle flange fitment

Technical Details and Specifications

The FAG 103321 wheel bearing and hub assembly features a robust design tailored for the Mazda CX-5. The 5-lug wheel stud configuration with a 114.3 mm bolt circle diameter (4.500 inches) matches the vehicle’s wheel mounting requirements. Brake pilot diameters of 67.9 mm (2.673 inches) provide precise rotor centering, reducing brake vibration and wear. The hub pilot diameter of 82.8 mm (3.260 inches) ensures the hub assembly fits securely onto the axle flange, maintaining proper wheel alignment. The flange diameter of 138.7 mm (5.461 inches) and 4 inlet mounting holes contribute to a stable and secure installation. This assembly is designed without an ABS tone ring, making it suitable for non-ABS Mazda CX-5 models or those with gen 1, 2, or 3 ABS systems.

Applications and Problem Solving

• Replaces worn or damaged wheel bearing and hub assemblies on Mazda CX-5
• Eliminates wheel noise caused by bearing wear or failure
• Restores proper wheel alignment and reduces vibration
• Addresses brake rotor misalignment due to pilot diameter wear
• Prevents wheel wobble and improves vehicle handling

Installation Notes and Tips

Ensure the hub mounting surface and axle flange are clean and free of debris before installation. Verify the bolt hole diameter and wheel stud count match the vehicle specifications. Use proper torque specifications for mounting bolts to avoid premature wear or damage. This assembly is designed for non-ABS or compatible ABS systems; confirm ABS tone ring requirements before installation.

Quality Assurance and Warranty

FAG wheel bearing and hub assemblies are manufactured to meet strict quality standards for durability and performance. The 103321 part number undergoes rigorous testing to ensure compatibility with Mazda CX-5 models. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.