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″.

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 #2 screw sets. The total height of the ball caster, 0.83″, 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 (the distance between the screw holes is 0.61″).