Floating Double Roller Pillow Block Bearing F-DPB-32-OPN-STG for 2" Shaft Diameter, Scrapers, Top Grease PortFloating Version of the scraper and lubrication port fortified Double Roller Bearing Pillow Block (DPB 32) for a 2" Diameter Shaft. Features an open bearing style and two sets of 3 opposing roller bearings while maintaining the standard size profile of a Single Roller Pillow Block (SPB); thus the term "Double." In contrast, the Twin Roller Pillow Block (TWN) also incorporates two sets of three opposing roller bearings but comes in a double size,