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The original cylindrical roller bearing, which has been fitted to "JH"- and "SH"-gearboxes, came from HOFFMANN type R.M.S. 12 1/2L. This is no longer available after 70 years. The speciality with this bearing is that it has an outer ring with one collar. With this constellation dismantling of the mainshaft is easy.
In older bearing conversion lists you will find SKF, FAG or RHP alternatives. Also these bearings seem to be no longer available. SNG Barratt has no idea to get the right item.
Has anyone a solution for this problem?

Hello Jgeulen,

I didn't realy understand what you mean by an outer ring with one collar so I used google to try and find a picture.
However I found this :- https://crosthwaiteandgardiner.com/main ... bearing-19, showing in stock?

Alec

Hi Alec,
instead of collar I should have called it „rip“, so that the rollers can move in axial direction. Normally the outer ring has two rips.
Thank you for your valuable source.
Juergen