The main role of Hub Bearings is loading and providing accurate guidance for the wheel , it is load both axial and radial load , it is a very important part. Traditional automotive Hub Bearings are composed of two sets of tapered roller bearings or ball bearings combined , the installation , oiling , sealing and clearance of bearings are carried out in the production line , this structure make it difficult to assemble in the automotive manufacturing plant , high cost , poor reliability. But the Hub Bearing Unit is in the standard angular contact ball bearings and tapered roller bearings developed on the basis of it , the Hub Bearings unit with the assembly of good performance , can be omitted clearance adjustment , light weight , compact structure , load capacity large , sealed bearings can be pre-filled with grease. They are becoming more and more unitized , from the first -GEN to the third GEN , and fourth GEN , evolving into lightweight , more and more convenient product. For more details please email us at info@haiderglobal.com.pk