What can damage a wheel hub?

Hub damage is usually caused by external impact, long-term wear, or improper maintenance. Common triggers include driving at high speed over potholed roads, frequent collisions with curbs, abnormal tire pressure, or prolonged overloading. Although rigid run-flat tires enhance safety, insufficient tire pressure causes them to transmit more impact force to the hub, making aluminum alloy materials prone to deformation or cracks under severe impacts. Additionally, hub bearing damage may result from inadequate lubrication, seal failure, or improper installation, manifesting as abnormal noise or vibration during operation. Regular inspections of the hub's appearance for scratches, deformation, and oxidation are essential. Minor damage can be repaired professionally, but structural cracks or deformation exceeding 3 millimeters requires replacement to ensure safety. Maintain proper tire pressure (refer to the vehicle manual specifications), avoid overloading and aggressive driving, check bearing lubrication every 20,000 kilometers, and pay special attention to hub cleanliness in humid climates to prevent galvanic corrosion. If steering wheel vibration or irregular tire wear is detected, perform wheel balancing immediately. These measures will significantly extend the hub's service life.