Some symptoms of worn wheel bearing are humming, rumbling or growling which changes when you turn the wheel going around a corner. Wheel vibration or wobble, shudder shimmy or a constant vibration at speed. Sometimes a faulty wheel bearing will show play at the tire. in extreme cases a bad wheel bearing can cause the ABS light to come on and damage anti lock brake components. If you are getting noise from you car come to AutoPro in Worcester MA to get it checked out.