Tornado rod spec

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Tornado rod spec
« on: January 13, 2010, 06:23:49 PM »

I'm contemplating on building my own Tornado table. I've found some guides online, but they seem to have contradictionary specifications. The one thing I'm particularly confused about is the rod diameter. For a while I thought it was definitely 5/8". However, the other day I saw that it might be smaller, 9/16". And then I saw that it could be yet something else:

    * Material: D 1026 mechanical tube .619 +/- .001" outside diameter, .3095 +/- .008" inside diameter
    * Ends: .0312 X .0312 chamfer and deburr
    * Hole: Bore W/#19 (.1660") Drill typ 4/6 PL. +/- .005"

Also, how big are the wholes for the bearings, I know the bearings themeselves are 1-1/4" diameter and 1-1/2" wall thickness.

Just not sure who to trust really and not like I can go and measure it myself, as I live in New Zealand where Tornado tables are unavailable completely.

Any help on the exact specs, appreciated. Perhaps someone could measure accurately their official coin-op and post the measurements here?

Thanks in advance!

Offline EDGEER

  • 403
Re: Tornado rod spec
« Reply #1 on: January 19, 2010, 03:01:26 PM »
Buy a set of bearings from the parts store.  They require a specially milled hole.

Re: Tornado rod spec
« Reply #2 on: January 20, 2010, 08:32:34 PM »
What about the other questions? And how is the hole "specially milled" (i.e. how do I do it at home?)

Offline Jeron

Re: Tornado rod spec
« Reply #3 on: January 01, 2011, 12:44:43 AM »
i know its a old thread but if your still wanting this info i can measure for when i get my table tomorrow.

Re: Tornado rod spec
« Reply #4 on: November 30, 2019, 10:27:54 PM »
We have a tornado table at my work & I just measured the rods and popped out a bearing to measure the hole.

Rod diameter: 0.625" (5/8")
Diameter of hole into which bearing assembly sits:  35.3mm