Pillow Block Bearing Base Height 18 mm Base Width 54 mm Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 40 mm Bore Type Cylindrical Center Height 49.2 mm Closure Double Sealed Expansion Type Fixed Housing Material Cast Iron Lubricant Material Grease Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Mount Hole Center-to-Center Length 137 mm Mount Hole Center-to-Center Width 137 mm Mount Type Bolt-Through Number of Mount Holes 2