Tapered Bore Radial bearings. Ball bearings. Deep-Groove Ball Bearings. This article provides a basic understanding and appreciation of plain and rolling element bearings. Thrust Ball Bearings. These design features are. Cylindrical Roller Bearings Examples of this type of bearings are axial ball and roller bearings. Roller Bearings. Spherical Roller Bearings. The main factors to be considered when selecting the correct type areAvailable space Magnit ude and direction of load (radial, axial, or