NTI Limited provides Lippert parts such as the 139875 Lippert 139875 Spring Pad for 2k Axle, 1.75" Round.
139875
Lippert 139875 Spring Pad for 2k Axle, 1.75" Round
Inner/outer (2k) / Outer (3.5k) bearing cone (L44649), 2-3.5k
122089
60° cone wheel nut (1/2"-20), 2-7k
122076
Rubber dust cap insert, lubed, 2-7k
122065
Idler hub: 5 on 4-1/2" with 5-1/2" flange, 2k
134332
Cotter pin, 10-16k
181899