Pillow Block Bearing Base Height 16.7 mm Base Width 47.6 mm Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 30 mm Bore Type Cylindrical Center Height 42.8 mm Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 4 850 RPM Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Mount Hole Center-to-Center Length 117.5 mm Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 83.3 mm