Pillow Block Bearing Base Height 0.11 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1/2 in Bore Type Cylindrical Center Height 15/16 in Closure Double Sealed Housing Material Steel Lubricant Material NGLI #2 Equivalent Maximum Speed 6 000 RPM Maximum Temperature 200 Degrees F Minimum Temperature -30 Degrees F Mount Hole Center-to-Center Length 3 3/16 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 1.875 in