Pillow Block Bearing, Base Height 0.563 in, Base Width 1.875 in, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 1/4 in, Bore Type Cylindrical, Center Height 1 11/16 in, Closure Double Sealed, Housing Material Cast Iron, Lubricant Material NGLI #2 Equivalent, Maximum Speed 5,450 RPM, Maximum Temperature 220 Degrees F, Minimum Temperature -20 Degrees F, Mount Hole Center-to-Center Length 5 3/64 in, Mount Type Bolt-Through, Number of Mount Holes 2