69 Dart KH sbp front disc bearings and seals

Dartvader440gt said
Which bearing is better? Timken or National?

National makes seals only AFAIK. Made in USA Timken, or Bower/BCA bearings are what I like. Older SKF and Toyo bearings are ok too. I was never an L&S fan, but, they've still probably better than some of the Chinesium stuff I've seen.