4 Bolt Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 7/16 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Square Included Bearing UC207-23 Lubricant Material NLGI #2 Equivalent Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 3.625 in Number of Mount Holes 4 Overall Height 4 39/64 in Overall Length 4 39/64 in Overall Width 1.75 in