Is the sprag bearing for a CNW starter the same as the one Andover sell for the Mk3?

Hopefully a simple question with a simple answer. I have tried to go through all the recent sprag clutch threads but can't find the answer to this question.

I had my clutch fail in my CNW starter about 6 years ago and the replacement Matt said came in this box. Photos attached. A Renold bearing.

Recently a friend in the UK had the sprage in his CNW clutch fail. So I sent him these photos and part noes to buy a bearing in the UK.

Turns out he went to Andover Norton and they sold him a sprag bearing with a Norton part no which seems to be the Mk3 bearing. They told him it was the same bearing.

I'm surprised but have never owned a Mk3 so have no idea.

I read all the threads about 18 bearing and 14 bearings and Alibabah ones etc etc but given the replacement Matt sent in the photos attached has lasted 6 years I just recomended one of those.

So in summary.

Are the CNW sprag clutch bearings as in the photo the same as the Andover Mk3 bearing?

Does anyone know before my friend tries to fit it? The Commando in question is actually the runabout bike for the NZ Velo team in the IOM.

The CNW kit uses the same size sprag as the Mk3. You have seen my post here https://www.accessnorton.com/NortonCommando/cnw-e-start-conversion-sprag-failures.41767/

I supply Holland Norton Works with these sprags and Constant (HNW owner) modifies them to fit into the CNW kit (HNW pt number #H15ESC) These sprags are 'tuned' to work in the CNW kit (the spring tension that holds the roller cams in contact with the engine sprocket snout has its tension adjusted so the 'heel dragging' that the CNW kit sprag has, is lessened) These are the only sprags that this can be done to.
That Renold sprag is probably a reboxed chinese sprag with a price premium.