The dimensions of the Replacement Trailer Hub Bearing item # 25580 you referenced from the Dexter Trailer Hub and Drum Assembly item # 42866UC3-EZ are as follows.
Inside diameter: 44.450mm / 1.7500 inch
Outside diameter: 82.931mm / 3.2650 inch
Width: 23.812mm / 0.9375 inch
Cone width: 25.400mm - 1.0000 inch
Cup width: 19.050mm - 0.7500 inch
The depth of the bearing/cone width is 1 inch or 25.400 mm view full answer...
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