Bearing choice, rod's and main's
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Bearing choice, rod's and main's

  1. #1
    Boat Nut sleekcrafter's Avatar
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    Default Bearing choice, rod's and main's

    Going thru my mill this winter, whats the preferred bearing these days for my 540 std deck motor. Thinking Clevite H series for both, pro's, con's, any suggestions welcomed.

    Thanks

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    Just another Wannabe Wannabe's Avatar
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    That is the standard. Unless you are crazy cruel on your bearings. Then you go V-bearings but they are tough to read and pretty much only good when your tune up is pretty much perfect. But if you are not top alcohol or fuel, just stick with the H series stuff.

  4. #3
    steelcomp was here
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    Quote Originally Posted by sleekcrafter View Post
    Going thru my mill this winter, whats the preferred bearing these days for my 540 std deck motor. Thinking Clevite H series for both, pro's, con's, any suggestions welcomed.

    Thanks
    They should work fine. Just mkae sure your tolerances are right, and the finish on the crank is good. If you're worried, I think they have a coated version.
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

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    Boat Nut sleekcrafter's Avatar
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    I thinking no tighter than .0025 for rods and mains. Sound correct for jet boat duty?

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    perfect
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    I would use .0025 as my low limit for the mains and .0025 for my high limit on the rods. Like to see the mains closer to .0028-.0030 and the rods at .0020-.0022 but that's just me!

  9. #7
    21 Daytona Outlaw's Avatar
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    Quote Originally Posted by steelcomp View Post
    If you're worried, I think they have a coated version.
    Are they that much better? what would be the plus to using them?
    #55

  10. #8
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    In case something happens the coated stuff is ALOT less likely to weld itself to the crank. On a build I look at coated bearings as a $175 insurance policy.
    Chris Straub
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  11. #9
    mo balls than $cents$ IMPATIENT 1's Avatar
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    i run coated main clevites and they're worked great so far


    anybody ever use the king acueler(sp?) stuff? i hear good things on other boards bout em, never used a set personally.

    Dare to be different, if it turns out great you can claim you planned it that way.

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    Senior Member hotbo's Avatar
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    we have 3 sets of kings in 3 mills around here tom they seem to be holding up just fineall of the high performance kings not the stock replacement p series.

  13. #11
    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by hotbo View Post
    we have 3 sets of kings in 3 mills around here tom they seem to be holding up just fineall of the high performance kings not the stock replacement p series.
    we put them in gopher's 557bbf sanger sj and they've held up well, but its just a 11 to 1 na deal, no nitrous. they looked just like clevites, but a bit darker colored. just keep see'n alot of guys running them, most be pretty decent bearings.

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    Senior Member hotbo's Avatar
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    well tom i have had a set in my mill for 2 years,run nos on my mill.you and me both now its not a big hp mill but it does take alot of abuse,lol!!!before that i had the same bearings king i ran for 3 years prior,they still looked good when i tore it apart would have re-used them but had a new set on the shelf.

    dads 505 has them also
    we have a 406 that has them.i think they are and i have always been able to get them cheaper.

  15. #13
    Boat Nut sleekcrafter's Avatar
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    Quote Originally Posted by Warp Speed View Post
    I would use .0025 as my low limit for the mains and .0025 for my high limit on the rods. Like to see the mains closer to .0028-.0030 and the rods at .0020-.0022 but that's just me!
    Why the split, on the rods and mains, what does the looser mains accomplish, vs tighter on the rods. Thanks for the input

  16. #14
    steelcomp was here
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    Sleek...take a second and picture what a crank is going through under power at the mains, and at the rods. Ideally, the smaller the clearances, the better.
    If God is your co-pilot, change seats!
    Acts 2:38, the perfect answer to the perfect question.

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