Today I made some new studs to hold the bearing caps down on my Ruston Hornsby 4AP. I do not have any idea what the top main bearing shell looks like. The pictures below show the bottom shell which is located in the main block by a cast in lug. Nigel Burney's book shows the top shell of an IP bearing but that has two lugs that align with two cut outs in the bearing cap (Drawings 166 and 167 show this clearly). As you can from the second photo that cut out is not there on this bearing cap. I can only assume that instead of a tab there is a flange the whole way along the shell to stop it turning. Has anyone got a picture of a top shell please? I have also looked in the Illustrated Spare Parts List but that does not seem to help. Thank you.
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| Lower shell half removed with locating lug clearly visible |
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| Bearing cap showing no cut out for locating lug. Also one of my new studs |
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