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Building mobile robot with rero, this castor will be helpful. The rero castor function as a ball bea..

Overview This ball caster kit includes a black ABS housing, a 1/2" diameter metal ball, two ..

This ball caster kit includes a black ABS housing, a 1/2" diameter plastic ball, two spacers (1..

This ball caster kit includes a two-part black ABS housing, a 1″ diameter POM (also known as a..

This ball caster kit includes a black ABS housing, a 3/4″ diameter plastic ball, three dowel p..

This ball caster kit includes a black ABS housing, a 1/2" diameter plastic ball, two spacers (1..

This small ball caster uses a 3/8″ diameter metal ball. The height of the assembled kit ranges..

This ball caster can be used as a replacement 3pi robot part or as a general-purpose ball ..

This item is a set of three plastic rollers, a 1″-diameter plastic ball, and a retaining clip ..

Tamiya’s steel-ball caster is a good way to give a “third wheel” to a small robot ..