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  1. #1
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    Default make a bushing

    I have to make up a couple of bushings for a lawn roller, I want brass or some metal that will wear and not wear the steel down. I plan to put fittings in it and grease it often.
    I did some looking into this and they said SAE 660 Bronze would be good. I would like it to last some time with lots of grease and not not damage the steal.

    Another said that Oil-lite brass or bronze would be good for this?

    Thanks for any ideas on this.

    ben 80

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    Yep, oil-lite would be a good choice. If your shaft is a nominal/standard you can buy to size too, no machining required (well maybe cutting to length).

    McMaster-Carr

    McMaster-Carr

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    Aluminum bronze if you're dead set on making from scratch. Can just buy a similar oil-lite bushing

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    I will go to the local , metal shop and see what they have. I don't mind the machining part, will have to do some. It always comes to this, ya buy cheap, ya get cheap. But I can fix it.

    thanks

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    It may behoove one to pay some attention to the shaft as well. Its condition also has an impact on the bushing's life.

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    local Tractor supply will have bearing bronze bushings

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    I'd be surprised if you can't buy what you want from McMaster Carr. The only bronze bushing I've ever had to make is one for a WWII era airplane that called for a special alloy. The size was readily available for a few dollars from McMaster and probably would have outlasted the plane, but when working on aircraft you don't make material substitutions. For a lawn roller? No way I'd waste time making something I can buy with the loose change in my pocket.

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    I am a retired machines of 40 years, making auto parts and set up a hobby machine shop in the basement. Its a full shop, I was making so much money with OT I could afford it.
    Keeps me tied to my roots and helps me with hobby’s , etc. Don’t mind fixing my blunder ,buying metal to fix this. LOL
    I am going to McMaster Carr and ordering the metal.
    Thanks for all the info, you guys are great.

    ben

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    I forgot to ment6ion, its a 900 lb roller, I do part time mowing, etc and rolling helps me get the jobs done quicker.
    I ordered the SAE 660 from McMaster Carr, price was not too bad and it won’t take much to finish. I got it with the 1 in. bore, no drilling.

    Thanks again

    ben

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    my 1400 lb roller only uses 1" pillowblock bearings

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    While it seems a little backward, the bearings are to support the pull frame, not the roller. Not much actual load.

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    These are to bearing to pull the load. The draw bars go on them. I would guess a reg. load of 450lb. each , with max up to 600 to maybe 800 lb. when loading etc.
    The rods that the bearing go on , is hollow tub steel. I am going to have to put a solid steel rod thru it.
    Not sure what kind of steel would best, any idea's???

    ben

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    I've seen everything from simple steel pipe bearings with maybe a grease zerk, all the way
    up to brake disc rotors and axles on these things.

    It this for commercial, landscaper usage ? or "Once every springtime" ?

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    Use 1" cold roll bar, it should work as is in the 1" bore of your bronze. Just a slight polish, if anything to make it a really nice fit.
    Any steel you have on hand would also work.

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    the bearings dont support anything, even rolling load is only 10-20% of total weight. I just used 1" solid all the way through the middle.

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    ya, its commercial, but just part time, a little extra money and it will help with my mowing ( faster mowing more profit).
    I will put the cold roll steel , down the center. The brass bearings and the steel in the hollow steel , should make it last a little longer.

    Thanks for all the help

    ben80

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    These guys sell individual bushings and oil-lite bearings. www.gobeilco.com

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    Not that I am too anal about things, I use a 48" deck on a riding mower and got tired of rebuilding the shaft and rollers. So this winter I rebuilt the shaft with a piece of 4140 PH. The rollers were made out of UHMW. I made a clamp that tightens with a bolt so that just unloosen the bolt and it all slides off. We will see who wins this round.

  21. #19
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    Quote Originally Posted by mark costello View Post
    Not that I am too anal about things, I use a 48" deck on a riding mower and got tired of rebuilding the shaft and rollers. So this winter I rebuilt the shaft with a piece of 4140 PH. The rollers were made out of UHMW. I made a clamp that tightens with a bolt so that just unloosen the bolt and it all slides off. We will see who wins this round.
    Is there a chance that the steel shaft is rusting in the off season ?

  22. #20
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    It is in a heated garage so I would not expect more than light surface rust.


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