Luray,

I have used a heavy duty steel C-clamp (I think it was a 6" opening span) and 2-6 point sockets (they have thicker side walls) sized like Kevin noted in his reply to press the cross shaft and bearing cups out. You could clamp the C-clamp into your vise (in your picture) to hold it steady while turning the adjuster to act the same as the "ball joint press". The C-clamp set-up still acts like a press, so removes the chance of miss-strikes with a hammer. grin

Just a thought and hope it's helpful. Let us know what you figure out. wave


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)