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Ball casters like these ones from ACME Caster Company are supposed to work well on cement floors — mount ’em to your project and they’ll roll easily in any direction — but we’re skeptical about using these in the shop because dirt, dust, and metal filings just can’t be good for ’em. If you don’t need casters, you could also mount these upside down as ball transfer units for custom out-feed work supports.

Small balls transfer the load from large ball to the seat to provide even load distribution and minimal surface contact. ACME Caster Company manufactures all the components from carbon steel. They harden the balls and seat for long wear life, and they treat exposed surfaces so they’ll resist corrosion. They finish the seat in black and the large ball in chrome.

Rockler sells these ball casters in three weight ratings, 100 lbs, 150lbs, and 250lbs, in either stem or plate-mount. The most expensive set of four casters is the 250lbs stem-mount casters, which’ll run you $36 — prices for the other casters go down from there.

Ball Casters [Acme Caster Company]
Ball Casters [Rockler]
Via Amazon [What’s This?]


6 Responses to Ball Casters Roll Easily In Any Direction

  1. David H says:

    Not lockable.

  2. KoKo says:

    Hardened steel balls? Point load, worse than high heels. These would eventually grind a concrete floor to dust.

  3. Cameron Watt says:

    As far as I can see, the biggest ball is 1 1/4″ diameter.

    My belief is that if you need casters under something, whatever the type, you get the biggest ones you can fit/afford.

  4. sam kusnetz says:

    we use these in theatre often when there isn’t enough space for a real caster. they’re an enormous pain in the neck and you’re totally correct to worry about dust, filings, etc. getting inside.

  5. Brian says:

    You know, if you’re looking for a great caster that will swivel super easy, look at shepherds metal ball casters at http://www.casterspecialists.com

  6. Manolo Villegas L. says:

    where can i get a set(4), 1.25″ metal roller ball casters here in Mexico city…??
    I’m designing some 4´x4′ heavy load tables 800 lbs cty.
    How confident will a set of those nice metal ball casters would work on it …???
    I don’t like the regular ones.

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