Pillow Block Bearing Base Height 1.259 in Base Width 3.267 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 3 7/16 in Bore Type Cylindrical Center Height 3.75 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 9 23/32 in Mount Hole Center-to-Center Width 9 23/32 in Mount Type Bolt-Through