Pillow Block Bearing, Base Height 0.72 in, Base Width 2.126 in, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 1/2 in, Bore Type Cylindrical, Center Height 1 59/64 in, Closure Double Sealed, Housing Material Cast Iron, Lubricant Material NLGI #3 Equivalent, Maximum Speed 3,700 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Mount Hole Center-to-Center Length 5 23/64 in, Mount Type Bolt-Through, Number of Mount Holes 2