On 13/02/2019 10:09 a.m., John Hagen via Groups.Io wrote:
I’m surprised that these weren’t more readily available before now.
Trains Canada did them years ago. Was a truck with no journal lids so you could see the roller bearing inside. They came with plug in journal box covers if you didn't want the roller bearing conversion.
Central Hobbies in Vancouver, BC has many of them in stock.