I just went through this exercise and thought it maybe helpful to others.  My goal was to build a roller with as much material readily available and minimize high cost materials and specialty skills.

The drawing is a sketch I made recently to plan the roller, bearing mounting and mounting.  My roller is 54" Long.

 

Here's close up of the bracket.  the two pieces are not welded yet and the 11 gage tube wall is too thin to hold the brackets/roller.  I need to make a tapping plate, which will be a 1/4" X 2" X 2 1/2" Lg. Plate with two 1/4-20 UNC Tapped Holes.  I'll bolt the whole assembly together, clamp it in place and then weld it to the rear of the Horiz. Rect. Trlr. Tube. 

Here's the bearing I found at TSC.  It's a standard roller bearing with a snap ring.  They cost about

$ 7.50 each (if I remember ).  Total cost of this design was about $ 35.  I had to buy a 4 Ft. piece of 1/4" x 1 1/4"  CRS at $ 10 to make the vertical pcs of brkt. and only used 6" of it.  I have a similar sketch of the bracket if anyone is interested.  It can be scanned and forwarded or added to this blog.

Hope this may help someone else.

Dorf

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Comment by Mike Thomas on November 19, 2016 at 11:52am

Thanks Dorf, helped me make one for my trailer, worked out good. Heres a couple pics of your setup  with my twist

I wrapped the tube with bunk carpet and stitched the seam with a curved hook and tough upholstery thread.

I had to use some 2" scrap I had for the brackets. I bolted them to the trailer, but I think I`ll tack weld them this winter.

Overall, it has worked out really well. The carpet on the bunks has not held up too great this season, but thats another story ;)

Comment by Rick Newman on May 23, 2013 at 9:58am

Dorf, nice drawing and even nicer build. I have to assume cRS doesn't refer to your memory but to Cold Rolled Steel. :<)

Rick N

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