Timken HA590579 Wheel Bearing and Hub Assembly - Front

Timken HA590579 Wheel Bearing and Hub Assembly Overview

The Timken HA590579 wheel bearing and hub assembly is engineered for reliable performance in Ford Transit models including Transit-150, Transit-250, Transit-350, and Transit-350 HD. Designed as a non-driven hub, this assembly ensures precise fitment and durability for your vehicle's driveline system.

• Flange bolt hole quantity: 5 for secure mounting
• Wheel pilot diameter: 2.555 inches (64.90 mm)
• Brake pilot diameter: 2.555 inches (64.91 mm)
• Wheel stud quantity: 5 for balanced wheel attachment
• Hub pilot diameter: 3.444 inches (87.50 mm)
• Flange offset: 3.070 inches (78.00 mm)
• Flange diameter: 8.189 inches (208.00 mm)
• Bolt circle diameter: 6.299 inches (160.00 mm)
• Drive type: Non-driven hub assembly

Detailed Specifications and Fitment

The Timken HA590579 is specifically designed for non-driven wheel positions on Ford Transit vans, including the Transit-150, Transit-250, Transit-350, and Transit-350 HD models. The assembly features a 5-bolt flange with a bolt circle diameter of 160 mm (6.299 inches), ensuring compatibility with factory wheel mounting patterns. The wheel pilot diameter of 2.555 inches (64.90 mm) and brake pilot diameter of 2.555 inches (64.91 mm) provide precise alignment for wheel and brake components, reducing vibration and improving overall stability.

The hub pilot diameter measures 3.444 inches (87.50 mm), supporting proper hub centering on the axle flange. With a flange offset of 3.070 inches (78.00 mm) and flange diameter of 8.189 inches (208.00 mm), this assembly maintains correct wheel positioning relative to the suspension and brake system. The 5 wheel studs offer secure wheel attachment, critical for vehicle safety and performance.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
• Eliminates wheel noise caused by bearing wear
• Resolves wheel vibration and wobble issues
• Restores proper wheel alignment and brake rotor positioning
• Prevents premature tire wear due to hub misalignment

Installation Notes and Tips

Installation of the Timken HA590579 wheel bearing and hub assembly requires proper torque specifications for the 5 flange bolts and wheel studs to ensure secure fitment. It is recommended to inspect the axle flange and surrounding components for wear or damage before installation. Use appropriate tools to avoid damaging the bearing seals during assembly. After installation, verify wheel alignment and brake rotor clearance to maintain optimal vehicle handling and safety.

Quality Assurance and Warranty

Timken manufactures the HA590579 wheel bearing and hub assembly to meet OEM standards for durability and performance. Each unit undergoes rigorous quality control to ensure precise dimensions and reliable operation. While specific warranty details may vary, Timken products typically include coverage against defects in materials and workmanship, providing confidence in long-term service life for your Ford Transit vehicle.