Tapered Roller Bearing Assembly, Bearing Industry Number 64450/64700, Bore Diameter 4 1/2 in, Bore Type Cylindrical, Cage Material Pressed Steel, Cone Width 1.625 in, Cup Width 1.187 in, Flange Diameter Not Applicable, Flange Type Non-Flanged, Lubricant Material Not Applicable, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 7 in, Overall Width 1.625 in, Ring Material Carbon Steel, Roller Material Carbon Steel, System of Measurement Inch