Tapered Roller Bearing Cup, Bore Diameter Not Applicable, Compatible Cone Manufacturer Part Number 2578, 2580, 2582, 2585, Cup Width 0.75 in, Lubricant Material Not Applicable, Outside Diameter 2 3/4 in, Overall Width 0.75 in, Ring Material Alloy Steel, System of Measurement Inch, Housing Fillet Radius 0.05 in