Pillow Block Bearing Base Height 0.708 in Base Width 2.047 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 1/2 in Bore Type Cylindrical Center Height 1 59/64 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 5 1/2 in Mount Hole Center-to-Center Width 5 1/2 in Mount Type Bolt-Through