Lippert Axles----No Replacement Bearings Available

They sold axles with 3 differant size bearing cartrages (2 tapered rollers facing each other in one outer race) anyway, 35mm 42mm and 50mm ID. they are all used by someone else and still around.

Etrailer has them made by redline 31-71-3, 31-72-3, and 31-73-3
Timken makes the 50mm one and there part number is JXC25469C and the 42mm is Timken JRM4249