Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Spherical Roller Bore Diameter 3 7/16 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 6 23/32 in Number of Mount Holes 4 Overall Height 8.375 in Overall Length 8.375 in Overall Width 4 11/32 in