Dana 60 help!!

Hi Guys,

I have a rear axle DANA 60-2 with 35 spline axles.
I am trying to rebuild it and am looking at axle bearings. Do I need snap rings or not? I have no idea.

http://www.summitracing.com/parts/MSR-9400M/

OR

http://www.summitracing.com/parts/MSR-9400RP/?rtype=10

THanks,

Brett