The 93- short style yoke is 3 3/16 inches in overall length. This is from the flat where the u-bolts enter to the end that pushed on the bearing.

I had old axle from my 90 laying around in pieces. If you would have asked a few weeks ago, I could have gotten the longer yoke measured as the "new" axle under my truck is from a '97 and I had it apart to change the pinion seal.

 

I just measured my 1410 yoke sitting on my workbench. It measures 3.54" from center of the u-joint caps to the bearing surface.

 

I've always been under the impression that no one makes a 1410 yoke for the short-pinion?