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By Tread Width

It’s easy to confuse a caster wheel’s width with its diameter. But while the diameter of a caster wheel measure’s the caster’s overall height, the width measures the tread of the caster, the part that makes contact with the ground when it rolls.

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When measuring a caster wheel’s width, you’re measuring the tread of the wheel: the part that makes contact with the ground when it rolls. Simply measure from the outside of one end of the tread to the outside of the opposite end.

Tread Width Related Series
7/8″ Width Wheels 7/8″ Series 1 Casters
1″ Width Wheels Series 1 Casters
1.25″ Width Wheels 1.25″ Series 2 Caster
1.5″ Width Wheels Series 1 Casters
2″ Width Wheels Series 2 Casters
2.5″ Width Wheels Series 2 Casters
3″ Width Wheels Series 3 Casters
4″ Width Wheels Series 4 Casters

Frequently Asked Questions

  • How Wide Should my Caster Be?
    The width of your caster wheel will be determined by a number of factors. Environment, flooring, and use are all important factors. When moving furniture, for instance, a smaller caster is preferable. On the other hand, if you’re moving airplane parts you’ll likely need a larger caster tread width.
  • How to Measure my Caster Wheel Width
    When measuring a caster wheel’s width, you’re measuring the tread of the wheel: the part that makes contact with the ground when it rolls. Simply measure from the outside of one end of the tread to the outside of the opposite end.
  • Does Tread Width Matter?
    Yes, the tread width of your caster matters for the success of the caster. Contact our team or review our resources for selecting the right caster for you!
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