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ForumID: 109061855423990 ThreadID: 9990312035248 PostID: 9990312035248
commonut

Posts: 4
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Hi there, just wondering if this would makefor a suitable top wheel? It is a cast iron caster off an industrial dumpster type bin, measures about 6 inches diameter by about 3 inches wide. I would have to have the face leveled out on a lathe, as it is radiused at the moment. It doesn't have bearings, has a sleeve inserted into it, witha zirk fittng (grease nipple) near the hub. Any feedback as to suitability would be appreciated.
Noel



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    stingshp

    Posts: 278
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    Noel
    While the Machinist is truing outside Dai. Have them bore for a common bearing with probably a axle size of 3/4" to 1" .
    A bushing verses a bearing is no contest ,the wearing of bushing would create upper wheel alignment problems .
    Anybody have suggestions on upper axle Dia. minimum and Maximum ????
    GordonB

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    pinkertonkap

    Posts: 39
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    We use 3/4" axle for all uppers and 1/2" on anvils. No reason that 1/2" wouldn't work on the uppers as well except we use a wide yoke and spacers so we can fit a 4 1/2" wide gokart slick on the same yoke. We made yokes from 5x10x1/2 wall tubing suitably cut until we ran out of the 20' stick. Couldn't fine any more anywhere so we went to 6x10x1/2"...makes a bunch of yokes and you have room to put you hand in it and roll the upper manually if you're want a lot of control for short strokes.

    On the larger width yokes a 3/4 x 6" stripper bolt makes an excellent axle and doesn't deflect. We make spacers from 3/4" PVC pipe...works good lasts a long time.

    Kerry Pinkerton

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    unklian

    Posts: 517
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    I used 3/4" diam cold rolled mild steel, stepped the ends
    down to 13mm for the bearings, then down to 1/2" to fit the yoke.

    The step from 13mm to 1/2" centers the axle in the Yoke.
    No rubbing on the sides.

    The captive axle can't fall out when you change wheels.
    Making a few more axles was a small price to pay for convenience.

    The same bearings were used for the upper and lower wheels.
    Bearing numbers and pics are in my English Wheel album.


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    unklian

    Posts: 517
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    Oilite bushings would probably last a long time.

    I chose sealed bearings, for protection from dust and dirt.

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