Timken SET38 Bearing Set

This image shows a bearing with usa etched into the surface with other info. the product description states it's a product of china. which is true?

This bearing will fit my Dana 70 inner and outer bearing?

I need lm 104949 and lm104910 race as a set. do you know if this set will work?

will this fit a 1972 ho72 ? off a 72 gmc 3500 dually