Pillow block, also named plummer block or bearing housing, different brand called different name for this industrial part. Europe bearing manufacturer call Plummer block, FAG named Plummer block and pillow block, NSK and NTN say Pillow block, it is a pedestal used to provide support for a rotating shaft with the help of compatible bearings & various accessorie s,the pillow block housing material is typically made of cast iron or cast steel. Pillow blocks usually refer to housings which have a bearing fitted into them and thus the user need not purchase the bearings separately. Pillow blocks are usually mounted in cleaner environments and generally are meant for lesser loads of general industry. These differ from “plummer blocks” which are bearing housings supplied without any bearings and are usually meant for higher load ratings and corrosive industrial environments. However the terms NSK Pillow block bearing units and plummer block are used interchang...