Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Spherical Roller Bore Diameter 2 1/4 in Bore Type Cylindrical Closure Double Sealed Expansion Type Fixed Housing Material Cast Iron Housing Type Square Lubricant Material Lithium Complex Grease Maximum Temperature 205 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 4.5 in Number of Mount Holes 4 Overall Height 5.875 in Overall Length 5.875 in Overall Width 3 9/32 in