Flappy Valve Bearing Replacement

Flappy Valve Bearing Replacement

>A better solution than the HK10 10 bearing might be the HK10 12RS (rubber
>seal) which has a seal and is 12 mm thick as is the original. Unfortunately
>the RS was not available from the local suppliers, the story I got was that
>it was something that was not in high volume so they built them once in a
>while, probably when a mega order came in, but in between builds you were
>just SOL.

>Well, good luck, if someone else tries it, let us know how it goes, also let
>us know if the RS is available this year.

When looking for the original INA F-957762 bearings, I couldn't find anything. I looked for bearings of that same type, with the same exact dimensions. (An open end drawn cup needle bearing for a 10 mm shaft, 14 mm outside diameter, 12 mm height, with a seal on one end) I also came up with the HK 1012RS bearings. Bearings like that are apparently made by INA, FAG, NTN, SKF, MCR and some other manufacturers, all using the same HK 1012RS number. The first local bearing supplier I called and asked about INA HK 1012RS bearings, said no problem, and took the order over the phone. They should be here by UPS in a day or two. They're probably available from a lot of places. I happened to order from Berry Bearing. They have locations throughout the country, or you could just get them by mail. Their phone number is 1-800-BEARING.

Mike Schmidt
'88 928S4 Auto Black/Black "PORSCHE" cloth
928 Owners Club Charter Member
PCA Chicago Region

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