Hi Lnewqban.
The arm well be 70x50x5mm RHS 700mm long. It will be MIG welded to a vertical 50mm diameter high carbon steel tube with 30mm bore, machined to house (top & bottom) NSK tapered roller bearings (30202) with static load rating of 13,200N, 35mmOD and 15mm bore, 11.75mm depth, and a...