Pillow Block Bearing Base Height 0.669 in Base Width 1.732 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 1/4 in Bore Type Cylindrical Center Height 1 43/64 in Closure Double Sealed Expansion Type Fixed Housing Material Cast Iron Lubricant Material Grease Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 4 3/4 in Mount Hole Center-to-Center Width 4 3/4 in Mount Type Bolt-Through