Pillow Block Bearing Base Height 1.023 in Base Width 2.637 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 1/2 in Bore Type Cylindrical Center Height 2 19/64 in Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 6 9/64 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 4.37 in