Pillow blocks, the most commonly used type of mounted units, are designed to provide shaft support where the mounting surface is parallel to the shaft axis. The bolt holes are usually slotted for adjustment during mounting. Pillow blocks are supplied in a variety of configurations. Pressed steel pillow block bearings are also available for light-duty applications.Check out our selection of high quality pillow block bearings listed below. We are always updating and adding sizes and styles. So be sure to refer to this page often. TheBigBearingStore has a massive selection and inventory, with everything you need, all in one place.