chop saw rollers

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I used to build a lot of stuff off of my trailer.  The trailer was my welding table.I'd roll up on a job and have a load of steel on the trailer and have to start cutting and laying out.So I came up with these. Attached Imageslife is good
Reply:The rollers came off of a conveyor something or another.  The ends are one by four tubing fourteen gauge.  I made about six or so of them.What makes them trick is they are set at the height of the chop saw deck.  And, you'll like this, you can use some half inch or three quarter inch rod to align them in a row feeding into the chop saw!  Just slide a stick of bar stock inside the one by four tubing and they're there to do your bidding.I told you.  You like that.  You can set up your saw on the concrete and just roll the material in as easy as anything you'll ever do on your knees.They're also handy as heck as casters.  You heard me.  Casters.  They work great for moving things.  Just turn them bottoms up and voila! caster! Attached Imageslife is good
Reply:I am assuming that the rollers have a rod through them with a hex shape. Did you weld those rods to the supports or did you cut out a hex shaped opening so that you could remove them? If you did cut them out....how did you do that? I am wanting to make some independent roller stands.ThanksMatt
Reply:Morning Matt,Those rollers came off of a section of conveyor that wasn't as heavily built as what you're talking about.  They had a quarter inch rod.  So I had to just figure out the distance the deck of the saw was high and then calibrate where to drill a quarter inch hole in the one by four tubing.The rods aren't welded.  But the one a half tubing joining the two sides together is.  Some might question the strength of the quarter inch rod.  That hasn't been a problem.  The bearings are at the edge of the roller and the roller fits snuggly between the sides.  A quarter inch in shear is very strong.The hex hole'd bar you're referring to is available.  You can buy it at any large scrap yard for about twice the scrap price.  It's really very common.  So are the rollers.They use the hex shape to force the rollers to work off the bearings and not with the shaft turning.  You can accomplish the same thing by drilling a round hole that will barely take the hex rod then tacking it in place.  Be sure to tack it where it can easily be ground out if you need to change the roller out.  That's why they use the hex hole instead of a tack.I hope this helps.life is good
Reply:Did you weld those rods to the supports or did you cut out a hex shaped opening so that you could remove them? If you did cut them out....how did you do that? I am wanting to make some independent roller stands.