Wheel bearing and u jonit
 

IM changing my u joints and wheel bearing and I can't get the but off any suggestions

Not sure how to remove "but"
The axle/spindle "nut" is 36mm a spindle nut socket set is available at some auto parts chain stores
The "hub" is held in by 3 bolts from back side 13mm 12 point
Ask better questions get better answers
hope this helps