Pillow Block Bearing, Base Height 0.779 in, Base Width 2.126 in, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 5/8 in, Bore Type Cylindrical, Center Height 2 1/8 in, Closure Open, Housing Material Cast Iron, Lubricant Material NLGI #3 Equivalent, Maximum Speed 3,500 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Mount Hole Center-to-Center Length 5 55/64 in, Mount Type Bolt-Through, Number of Mount Holes 2