What would cause honda crv humming noise rear?

A hub bearing failure would cause a Honda CR-V humming noise coming from the rear. A wheel hub bearing unit is critical to performance. From the smoothness of the ride to fuel efficiency to the integrity of anti-lock braking systems.If a wheel bearing goes bad, more friction will be placed on the wheel, and the wheel will start to wobble. It can be very dangerous to drive if one of Your bearings is worn out, especially since it may cause the wheel to stop while driving. Additionally, a damaged wheel bearing puts a lot of stress on the hub, the CV joint, and the transmission itself.