Abstract
The paper emphasizes the benefits of employing magnetic fluids as lubricants in the development of hydrodynamic bearings in terms of carrying abilities. A brief discussion regarding the preparation of lubricants with unique magnetic properties is followed by analytical and numerical approaches for establishing the carrying ability of hydrodynamic bearings. The flow simulations, performed in identical geometrical and dynamic conditions, shows the increase in carrying ability and reduction of cavity in hydrodynamic bearing lubricated with magnetic fluids. In addition, the retention of the magnetic lubricant between the journal and bearing in the presence of a constant magnetic field permanently provides fluid friction for all flow regimes