Here we go, a new piece of stock EN16T sawn off and a flat milled all down the side. This is the location face for aligning the three centre drilled holes in each end. Once that is done it can be set up between centres in the lathe. Held in a carrier, and driven by a face plate and dog the offset journals can be machined. Here's how:-
Flat and three centres detail
Shaft held between centres
First finished journal