Main bearing

The function of the wheel bearing for the BMW X5 E70 2007-13:

Primary Function
1. Supports Wheel Rotation: The wheel bearing supports the wheel hub, allowing it to rotate smoothly and efficiently.

Secondary Functions
1. Reduces Friction: The wheel bearing reduces friction between the wheel hub and the suspension, enabling smooth and quiet operation.
2. Maintains Wheel Alignment: The wheel bearing helps maintain proper wheel alignment, ensuring even tire wear and stable handling.
3. Supports Vehicle Load: The wheel bearing supports the weight of the vehicle, contributing to overall stability and safety.