BCA WE60603 Axle Bearing and Hub Assembly - Front

Overview of BCA WE60603 Axle Bearing and Hub Assembly

The BCA WE60603 axle bearing and hub assembly is engineered for reliable performance in select Nissan and INFINITI vehicles. Designed to meet OEM specifications, this driven hub assembly supports anti-lock braking systems and precise fitment for models like the Nissan Altima and INFINITI QX60.

• Flange bolt hole quantity: 4
• Wheel pilot diameter: 2.598 inches (66.0 mm)
• Brake pilot diameter: 2.677 inches (68.0 mm)
• Wheel stud quantity: 5 with M12x1.25 size
• Anti-lock braking system (ABS) compatible with encoder type
• Flange offset: 1.602 inches (40.7 mm)
• Bolt circle diameter: 114.3 mm (4.500 inches)
• Knuckle bolt circle diameter: 120.0 mm (4.724 inches) with M12x1.25 bolt hole size
• Driven hub assembly

Technical Details and Specifications

This BCA axle bearing and hub assembly (part number WE60603) is designed specifically for driven wheels, ensuring proper integration with the vehicle’s drivetrain. The flange offset of 1.602 inches (40.7 mm) and the 4-bolt flange hole pattern provide a secure mounting surface. The wheel pilot diameter of 2.598 inches (66.0 mm) and brake pilot diameter of 2.677 inches (68.0 mm) ensure accurate alignment of the wheel and brake components. The assembly includes five M12x1.25 wheel studs, compatible with the specified Nissan and INFINITI models. Additionally, the ABS encoder type sensor is integrated to maintain proper anti-lock braking system functionality.

Compatible Vehicles and Applications

This axle bearing and hub assembly is compatible with a range of Nissan and INFINITI vehicles, including:

• Nissan Altima
• Nissan JX35
• Nissan Maxima
• Nissan Murano
• Nissan Pathfinder
• Nissan Quest
• INFINITI QX50
• INFINITI QX60

Common Issues Addressed by This Hub Assembly

• Wheel bearing noise or roughness during driving
• ABS warning light due to faulty encoder sensor
• Excessive wheel play or looseness
• Uneven brake rotor wear caused by misalignment
• Vibration or wobbling at higher speeds

Installation Notes and Tips

Proper installation of the BCA WE60603 axle bearing and hub assembly requires attention to torque specifications and alignment. Ensure the knuckle bolt circle diameter matches the vehicle’s hub mounting surface (120.0 mm) and use the correct M12x1.25 bolts. Verify ABS sensor connections are secure to maintain system functionality. It is recommended to inspect related suspension and brake components during installation for optimal performance.

Quality Assurance and Warranty

BCA manufactures this axle bearing and hub assembly to meet or exceed OEM standards for durability and fitment. The part number WE60603 undergoes rigorous quality control to ensure reliable operation in compatible Nissan and INFINITI vehicles. Warranty coverage details should be confirmed with the distributor or manufacturer.