TBSC103 Pillow Block Ball Bearing Unit - Tapped Base, 1.1875 in ID, Round Bore, Cast Iron, Normal Duty, Non-Expansion Bearing (Fixed), Base to Bore Centerline: 1.6900", Overall Length 4", Overall Height 3.38", Overall Width 1.52", Base Width 1-1/2", Bolt Center-to-Center Length 3"