Pillow Block Bearing Base Height 1.063 in Base Width 2.755 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 2 1/2 in Bore Type Cylindrical Center Height 2 63/64 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 7 63/64 in Mount Hole Center-to-Center Width 8 in Mount Type Bolt-Through