Flange Pillow Block Bearing can support shafts running horizontally, vertically, and at an angle as long as the block is mounted on a surface running the same way. These are essentially the right-angled equivalent. These shafts are perpendicular to the mounting surface. Flange Pillow Block Bearings are also referred to as Plummer block bearings are mounted bearings that are used to provide load support for a rotating shaft. Their mounting surface is on a plane parallel and offsets to the axis of the shaft.