The performance of an oil lubricated circular step bearing is analyzed by Majumdar ; this study underlines the importance of radii ratio.
 discussed the hydromagnetic lubrication of a rough porous circular step bearing. Hence, it has been sought to analyze the effect of longitudinal roughness pattern on behavior of a hydromagnetic squeeze film in circular step bearings.
The concerned Reynolds' type equation gives the pressure induced flow for a circular step bearing as (Majumdar (1985), Patel, Deheri, and Vadher (2015))
Patel, "Effect of transverse roughness on the performance of a circular step bearing lubricated with a magnetic fluid," Annals, vol.
However, intellectual considerations notwithstanding, it goes without saying that a selection from within political mainstream would be the most logical step bearing
in mind the complexities of the present political scenario in the country.
Lamb's new role will be seen as a natural step bearing
in mind that he is approaching retirement age.
Rayleigh step bearing has been widely used in industry due to its highest load capacity among all other possible bearing geometries.
Because of its high load capacity and cheap manufacturing, the Rayleigh step bearing has been widely used in industry, such as thrust and pad bearings [2-5].
Thus, the solutions of Reynolds lubrication equation for the pressure distribution, load capacity, and frictional coefficient were obtained through a relatively simple calculation and some detailed flow information on Rayleigh step bearing has been neglected .
In this study, the flow characteristics in the infinitely wide Rayleigh step bearing have been investigated by solving Navier-Stokes equations and comparing the numerical results with those results obtained by analytical solutions deduced from the Reynolds equation.
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Jagadeshwar, "Porous Rayleigh step bearings
with second order fluid," Zeitschrift fur Angewandte Mathematik und Mechanik, vol.