I have installed rear axle shaft bearings on Ford 9" axles before with no problem. I've installed the bearing and the lock ring with a hammer and a pipe in the past and it worked well. This time I'm using a 25 ton press and the lock ring doesnt want to go on. I can only find Made in China bearings and I think the lock ring is too small. The axle shaft measures 1.378 and the lock ring I.D. measures 1.368. My (admittedly bad) memory is telling me an interference fit should only be .003" (or is it .004"?) smaller than the shaft. I looked around the internet and it looks like heating the lock ring will only make it grow .001" so that doesnt sound like it will help. What do you think?