What does the 2002 ford f350 4x4 front hub assembly diagram look like?

The 2002 Ford F 350 4x4 front hub assembly diagram can be found here https://www.dennysdriveshaft.com/c1231_dana_50_front_Ford_F-250_F-350_1999_to_2002.html. You may notice the wheel bearings and ask Yourself what the wheel bearings actually do. Well wheel bearings are essential in the operation of Your vehicle. More precisely, a wheel bearing is crucial for the proper function of the hub, tire and wheel assemblies to work together. The wheel bearing allows friction-free movement and rotation of the hub assembly, and thereby provides smooth tire and wheELRotation.If a wheel bearing goes bad, more friction will be placed on the wheel, and the wheel will start to wobble. ... The most common symptom with a bad wheel bearing is a loud noise coming from the tire or wheel of the vehicle. It will sound like metal grinding on metal and will get louder as the vehicle goes faster.