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Pololu Ball Caster with 1/2" Metal Ball
 
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This ball caster uses a 1/2" diameter metal ball. The height of the assembled kit ranges from 0.5" to 0.8".
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Overview
This ball caster kit includes a black ABS housing, a 1/2" diameter metal ball, two spacers (1/16" and 1/8" thick), and two #2 screw sets.
The total height of this ball caster is 0.53" with no spacers. You can also adjust the height by adding the spacers.
The ball caster can be mounted to a chassis by the two screw sets included in the kit. The distance between the two screw holes is 0.58".
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Comparison of Pololu ball casters
Pololu ball caster ball diameter |
height with no spacers |
distance between screw holes |
weight with no spacers or screws |
| 0.40" | 0.53" | 0.03 oz | |
| 0.40" | 0.53" | 0.14 oz | |
| 0.53" | 0.58" | 0.07 oz | |
1/2" metal-ball |
0.53" | 0.58" | 0.32 oz |
| 0.91" | 0.24" | 0.25 oz | |
| 0.83" | 0.61" | 1.05 oz | |
| 1.10" | 0.70" | 0.36 oz |
