Sealmaster MFP-48 Pillow Block Ball Bearing, Non-Expansion Type, Medium-Duty, Regreasable, Setscrew Locking Collar, Felt Seals, Cast Iron Housing, 3" Bore, 3-1/2" Base to Center Height, 9-3/4" Bolt Hole Spacing Width, &plusmn;2 degrees Misalignment Angle