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Thread: Oil weight

  1. #1
    Join Date
    Oct 2003
    Posts
    10

    Question Oil weight

    I have a 10"Atlas with Timken bearings. The book says use SAE 20 weight motor oil.
    I have found some, but I have to buy 5 gal. at one time. Also I have found some way oil, but there again 5 gal. My book reads use 122 gress on some of the gears cant find that. Also what is the best cutting oil to use?
    What type oil and gress do you use?
    Thanks, Kenny

  2. #2
    Join Date
    Mar 2002
    Location
    webster, ma
    Posts
    824

    Post

    both types of oil should be available without having to buy 5 gallons. Keysrone 122? Try a graphite grease, Lubriplate, or maybe a little hi-temp wheel bearing grease.
    gvasale

  3. #3
    Join Date
    Aug 2002
    Posts
    330

    Post

    20 weight motor oil (non-detergent) is the stuff you can buy in a autoparts store for $1/quart. One quart should be enough to last you a while.

  4. #4
    Join Date
    Apr 2001
    Location
    Maine
    Posts
    6,697

    Post

    Motor oil is NOT machine oil! Use the right stuff.
    ----------
    Try to make a living, not a killing. -- Utah Phillips
    Don't believe everything you know. -- Bumper sticker
    Everybody is ignorant, only on different subjects. -- Will Rogers
    There are lots of people who mistake their imagination for their memory. - Josh Billings
    Law of Logical Argument - Anything is possible if you don't know what you are talking about.

  5. #5
    Join Date
    Jan 2003
    Location
    On the Oil Coast,USA
    Posts
    16,821

    Post

    Use compressor oil,it just fine,on the timken bearings you wont need much anyway.
    I just need one more tool,just one!

  6. #6
    jfsmith Guest

    Post

    I agree with Weird, compressor oil works for machine oil. For grease, I use lubriplate or Slick 50 grease. As far as lube for turning, I generally use what is in the Machinery's Handbook, which can be kerosene, lard, tapping oil, vegitable oil, and the list goes on. If you want to watch your calories use Canola oil. :-)

    Jerry

  7. #7
    Join Date
    Nov 2001
    Posts
    1,241

    Post

    SGW....

    Motor oil lubricates bearings, in many cases ball or roller bearings...(speaking of non-detergent oil of course).....bearings at speeds up to the low thousands RPM

    Machine oil lubricates bearings, in many cases ball or roller bearings.....at speeds up into the thousands of RPM....

    Hmmm, there is a pattern here....

    What do you see as the difference, other than any possible additive package...?

  8. #8
    Join Date
    Jul 2001
    Location
    Idaho Panhandle
    Posts
    440

    Post

    I use SAE10 motor oil on my 10in Atlas and it has cleaned up the ways and runs just fine. A little 80 wt. gear lube on the change gears keeps them nice and quiet. I understand there are special lubes for just about anything but I am keeping it simple and doing just fine.
    Jim

  9. #9
    Join Date
    Apr 2001
    Location
    Maine
    Posts
    6,697

    Post

    One major difference is that motor oil is designed to emulsify with water, because the oil will get hot enough in use to boil it out. Machine oil, on the other hand, is designed to precipiate water because machine tool bearings (one hopes!) don't get anywhere near hot enough to evaporate water out of the oil, and you don't want water being carried through precision bearings.
    ----------
    Try to make a living, not a killing. -- Utah Phillips
    Don't believe everything you know. -- Bumper sticker
    Everybody is ignorant, only on different subjects. -- Will Rogers
    There are lots of people who mistake their imagination for their memory. - Josh Billings
    Law of Logical Argument - Anything is possible if you don't know what you are talking about.

  10. #10
    Join Date
    May 2003
    Location
    52N 122W Western Kanuckistan
    Posts
    40,418

    Post

    SGW,

    That is undoubtably one of the things the detergent additives do, emulsify water. It's what detergents do. However, non-detergent oil...
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