Monday, October 4, 2010

[Electric Boats] Re: Tartan 27, setting up bearing

 

Thanks Denny.
There are some more specs at:
http://www.skf.com/files/518575.pdf
But no thrust load is listed. But, again, it is a ball bearing, rather than roller, so this means that ball bearings can take the kind of thrust loads we are looking at.
That is great info., and even if the shaft size differs, gives a great starting point.
Thanks,
John

1b. Re: Tartan 27, setting up bearing
Posted by: "dennis wolfe" dwolfe@dropsheet.com mcdennyw
Date: Sun Oct 3, 2010 7:23 am ((PDT))

Paul,

All right - you want MRC brand C4F100ZM. 4 bolt flange, set screw
locking to 1 inch shaft, plated steel components for rust resistance,
plastic housing. Way more load capacity and speed capability than
you need. The size is dictated by shaft diameter, not load carrying
ability.

Ought to cost around $60. Look up a bearing distributor in your
yellow pages - I found the local people (Applied Ind Tech- stores all
over the US) cheaper and easier than buying on the internet.

Shown on page 20 of this catalog
http://www.skf.com/files/518575.pdf

Denny

PS: Your A4 has a transmission, even of there is no speed reduction.
Otherwise you would not have neutral or reverse. The thrust bearing
is in the transmission.

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