Pololu Ball Caster with 3/4″ Metal Ball
This ball caster uses a 3/4″ diameter metal ball. The height of the assembled kit ranges from 0.8″ to 1.1″, depending on the combination of included spacers used.
This ball caster kit includes a black ABS housing, a 3/4″ diameter metal ball, two spacers (1/16″ and 1/8″ thick), and two 7/16″ #2 screws and nuts. The total height of the ball caster, 0.82″, can be increased to about 1″ using the included spacers. The two included #2 screws can be used to mount the ball caster to your chassis, or you can use your own #2 or M2 screws if your application requires a different length.
Note that our ball casters are designed for small robots; they are not intended to bear more than a few pounds. With more weight than this, friction between the ball and the housing will generally keep it from rolling well.
Pololu product 955
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