Tapered Roller Bearing Cup, Bore Diameter Not Applicable, Compatible Cone Manufacturer Part Number 45280, 45282, 45284, 45285, 45285A, 45287, 45289, Cup Width 0.937 in, For Cone Width 1.218 in, Lubricant Material Not Applicable, Outside Diameter 4 1/8 in, Overall Width 0.937 in, Ring Material Alloy Steel, System of Measurement Inch, Housing Fillet Radius 0.13 in