Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Spherical Roller Bore Diameter 1 1/2 in Bore Type Cylindrical Closure Double Sealed Expansion Type Expansion Housing Material Cast Iron Housing Type Square Lubricant Material Lithium Complex Grease Maximum Temperature 205 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 3 17/32 in Number of Mount Holes 4 Overall Height 4.625 in Overall Length 4.625 in Overall Width 2 15/16 in