Turner Spherical Roller Pillow Block, Concentric Setscrew LockThe Turner SPB2 2E is a spherical 2 bolt pillow block mounted bearing unit with a bore. It features a SPB series insert with concentric locking in a cast iron housing. Pre lubricated and ready for installation. Product Specifications Housing Style Spherical 2 Bolt Pillow Block Insert Series SPB Shaft Attachment Concentric Housing Material Cast Iron Bearing Type Spherical Roller Duty Level Heavy Part Number SPB2 2E Series Specifications Insert