Pillow Block Bearing Base Height 0.14 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 in Bore Type Cylindrical Center Height 1.5 in Closure Double Sealed Housing Material Steel Lubricant Material NGLI #2 Equivalent Maximum Speed 3 500 RPM Maximum Temperature 200 Degrees F Minimum Temperature -30 Degrees F Mount Hole Center-to-Center Length 4 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 2.875 in Overall Length 5.187 in