Pillow Block Bearing Base Height 0.551 in Base Width 1.496 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 5/8 in Bore Type Cylindrical Center Height 1 3/16 in Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 10 000 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 3 47/64 in Mount Type Bolt-Through Number of Mount Holes 2