Pillow Block Bearing Base Height 0.669 in Base Width 1.889 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 3/16 in Bore Type Cylindrical Center Height 1 11/16 in Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 4 850 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 4 5/8 in Mount Type Bolt-Through Number of Mount Holes 2