The lipid bilayer is arranged in two layers of phospholipids, with the hydrophilic heads forming the outer edges and the tails forming the interior.
The average cost for a wheel bearing replacement-rear is between $317 to $440. Labor costs are estimated between $208 to $264 while parts are priced between $109 to $176. Get a personalized estimate based on your location and specific car.
If the bearing is sealed, it can lead to more work such as replacing the hub as well; however, a permanently sealed bearing means they can last longer, oftentimes, as long as the car. For the parts alone, wheel bearings can cost anywhere from $20 to as much as $200. For example, Amazon has a parts selector that allows you to check for your particular model. A car, such as a Toyota Corolla, has parts available for $20 to $110.