Pillow Block Bearing Base Height 0.563 in Base Width 1.5 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 3/4 in Bore Type Cylindrical Center Height 1 19/64 in Closure Double Sealed Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 6 700 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 3 49/64 in Mount Type Bolt-Through Number of Mount Holes 2