Atheel Rafea Sultan, Ibrahem Ail Muhsin. “Study and Comparison for the Use of Different Numbers of Axial Grooves on the Performance of the Bearing”. Design Engineering, no. 1 (June 24, 2022): 3556 - 3571. Accessed December 2, 2022. http://www.thedesignengineering.com/index.php/DE/article/view/9506.