Pillow Block Bearing Base Height 1.181 in Base Width 3.11 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 2 3/16 in Bore Type Cylindrical Center Height 2 47/64 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 7 15/64 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 5.393 in