Wheel bearings all abouts, Wheel bearings usually have closures that is rubber seals or metal shields, in order to protect the wheel bearings from dirt, dust or any possible contamination, Wheel bearings are lubricated with grease, you can always remove the rubber seals, relubricate the Wheel Bearings with grease then put the seals back again. As for the Wheel bearings that have metal shields, they can of course be removed, lubricated, but will not be installed again, since the metal closures will be damaged when removed. browse our wheel bearings and you can order them online now. Some Cars, ATV, Motorcycles and trailers have taper wheel bearings.