Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Spherical Roller Bore Diameter 2 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 4 25/32 in Number of Mount Holes 4 Overall Height 6.125 in Overall Length 6.125 in Overall Width 3 9/16 in