Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Tapered Roller Bore Diameter 4 1/2 in Bore Type Cylindrical Closure Double Sealed Expansion Type Fixed Housing Material Cast Iron Housing Type Circular Lubricant Material Lithium Complex Grease Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 11.75 in Number of Mount Holes 4 Overall Height 65.5 in Overall Length 65.5 in Overall Width 6.75 in