Spin faster, faster, faster
Now on my maytag A606 I'd agree that it would be an issue. Double speed on that transmission might be a problem.
The development report on the rollermatic said the issue was cost, the rollers and drive wheels couldn't be fit to give a fast spin AND a gentle cycle using a cheap enough electric motor design.
We know a 800 RPM spin was featured on rollermatics using the same tub bearings, so a 1000 RPM spin wouldn't be that abnormal from a bearing loading perspective. IMHO. Would it be best for washing, seems to be for unimatics, so why not 1-18s?
Who has lately lubed their 1-18 bronze bushings? The one which the agitate shaft goes thru? OR the 2 busings inside the roller for the roller axles? Don't they need lub more than once every 35 years?
Surely the ball bearings might be dry as well. Has anyone had them apart and seen lube after all these years?
I'm imagining turning my washing machine upside down to do this, or removing the agitator and bellows.