Floating Double Roller Pillow Block Bearing F-DPB-32-OPN-S for 2" Shaft DiameterFloating Double Roller Bearing Pillow Block (DPB 32) for a 2" Diameter Shaft with an open bearing style. Features scrapers on each end 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." By contrast, a Twin Roller Pillow Block (TWN) also has two sets of 3 opposing roller bearings, but the TWN blocks are double sized as if they were two SPBs fused