You'll be fine doing that. The other lower arm will keep it from rotating. You might need a rachet strap or something similar to move the axle to get the bolt back in though.
2014 Rubicon, Mopar 2" lift w/Fox shox, RE Geo brackets, Teraflex monster front track bar, 285-70-17 Duratracs on 17x8.5 Level 8 Punch wheels. RBZ and PRS+, Bestop High Rock rack, High Access front bumper, Soft doors and a Trektop pro, Smittybilt Gen2 comp winch, Cobra 75WX.
2015 Jeep Renegade Trailhawk