You'll need a 2 or 3 jaw gear puller to grab the outside of the bearing and push against the end of the spline with the puller jackscrew. Since that bearing is about 70 years old, reusing it would be false economy. Do you really want to gamble on it being good for another few decades? PLEASE- - - - - -look at the diagrams of the assembly that have been posted earlier in this thread! The seal that's causing the leak has been identified- - - - - -repeatedly.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!