Pillow Block Bearing Base Height 0.826 in Base Width 2.362 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 15/16 in Bore Type Cylindrical Center Height 2 1/4 in Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 3 100 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 6 1/4 in Mount Type Bolt-Through Number of Mount Holes 2