Pillow Block units are a combination of a bearings and a housing of high-grade cast iron or pressed steel, which come in various shapes. The bearing unit consists of high-grade grease, which runs for lo nger period. Pillow blocks are basically used in environments where dust and rain are inevitable, and for heavy industrial machinery such as construction and transportation equipment. They are also used in flourmills, steel mills, foundries, galvanizing plants, chemical plants etc.