8 3/4 axle end play question ??

Yes I can post a pic. Ok,...see the 1/8" spacer on the RT axle shaft? the LT axle shaft has a radiused finish to it. The spacer will spin around its not affixed.I'm thinking of removing this spacer, install new bearings and adjuster and test fit from square 1.
HR20

axle spacer 1.jpg

axle spacer 2.jpg

axle spacer 3.jpg