Subject: Re: LG45 Carbon Clutch Release Bearing
Might also be worth considering that this part could well be common to other vehicles. For example, my Riley RMB has a Borg & Beck clutch with a carbon release bearing. I have a spare to hand, and just in case they are the same part, the casting has embossed: "BORG & BECK CO LTD 0.(or Q)44 EN6 40416.
Ideally, it would help if you could find someone with an early post war Borg & Beck catalogue.
Laurence