The wheel bearings on a car is the rims located in the center of the four tyres that the car rolls on.
it varies on car to car, gennarly you can buy a set of wheel bearings for about 150$
No, bad front wheel bearings would not prevent a transmission from shifting. If your car has bad front wheel bearings you will notice wheel noise or wheel looseness.
Depends on the vehicle and which bearings. Wheel bearings, not so expensive. Main bearings inside the engine, expensive.
Front wheel bearings in a car should be well greased but have never heard of them needing to be earthed.
Wheel bearings on a car are ball bearings that support the wheels. They allow for smooth rolling tires and better wear for internal parts.
Front or Rear wheel bearings may need changing, can be a tire out of balance, bent wheel, motor count broken, just to name a few things.
Bad wheel bearings
We need to know the year, make and model for that one, it makes a difference.
It depends on what model of car. There is a different proceedure for front wheel drive compared to rear wheel drive and a different proceedure for front and rear bearings.
The same as they are on any car - bearings that have begun to develop play or roughness.
Many online resources will sell you wheel bearings for your automobile. For example, you can try Discount Auto Parts. Or you can even check out the website for the specific brand of car you have.