Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Tapered Roller Bore Diameter 4 in Bore Type Cylindrical Closure Double Sealed Expansion Type Fixed Housing Material Cast Iron Housing Type Square Lubricant Material Lithium Complex Grease Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 7.75 in Number of Mount Holes 4 Overall Height 10.25 in Overall Length 10.25 in Overall Width 6.25 in