Question Regarding Roller specs for a 10x15 C&P

I just finished restoring my C&P 10x15 (new style) and I’m about to place an order for a new set of rollers with Ramco. When I was looking at their order form, it asks for a variety of dimensions:

The overall length of the core, the face-length of the rubber, the outer diameter of the rubber, and the journal diameter (?).

The press didn’t come with rollers or trucks and I’ve only found limited information online - so I’m in the dark as to the dimensions I should be asking for (though I’ve read the rubber roller diameter should be 1.75”)

If anyone has any specifics they could pass on to me, I’d be in your debt.

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The overall length of the core should be enough for the outer ends to extend slightly outside the roller hooks or saddles, so the outside-to-outside measurement across the press plus maybe 1/4 inch would be the length of the cores. I like to have the face length be no less than the width (horizontal dimension) of the chase, preferably a bit more, up to a bit less than the diameter of the ink disc. The outer diameter of the rubber needs to be less than the center-to-center distance between the roller saddle openings on one side of the press, preferable about 1/4 inch less, rounded to the nearest 1/4 inch or 1/2 inch. The journals are the bearing portion of the ends of the cores that fit into the saddles, so they should be the same (very lightly less) diameter as the roller saddle opening width, probably about 3/8 inch. Measure your press for the actual numbers.

Bob