The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere. A further region at about 500 km above the Earth's surface is called the exosphere. The different layers of the atmosphere The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere.
Front differential or power transfer unit repairs are less common. The only parts sold by Land Rover are the outer seals. Worn bearings require replacing the whole unit at a cost just shy of $1800.00. We dismantled the unit and found only one worn bearing at a cost of $40.00.
1 According to the website RepairPal.com, a user had asked what wheel bearings would cost on a 1997 Honda Accord. 2  According to the answers, the price would range anywhere from $60 to $85 for the part itself and upwards of 2 hours for the labor. For the parts alone, wheel bearings can cost anywhere from $20 to as much as $205 for only the part. 2  For example, Amazon has a parts selector that allows you to check for your particular model.