Gray V-Drive Help Needed

[Rossco]

Hi there , I`m real new to this forum and I`m hoping someone will be able to help me with some information , anything actually , about a "Gray" vee Drive .It is a "Gray" . Horizontal offset . Model 7 : 4 PR. ( 1.75 : 1 ratio )
On the outside of the casing , cast into it is the following ," TIMKEN 5200W127 ". The input shaft is growling , and trying to get out from in there and I figured that I`d get some info before I rip it to bits and fit new bearings .
She`s being driven with a Thornycroft 154 diesel ( Leyland 57 hp ).Is someone able to tell me what the idling revs specification for the engine is ?
Thanks for any help on this topic , Rossco

[GordMay]

Greetings and welcome aboard the CF Rossco.

Timken makes bearings. I hope someone can offer a little more help than that.