This small, light ball castor uses a 3/8″ diameter plastic ball. The height of the assembled kit ranges from 0.4″ to 0.6″.
In stock in Australia
Shipping from $7.90
+372 more from our supplier in 7-10 days
Our Code: SKU-002438
Supplier Link: [Pololu MPN:950]
Pololu ball caster with 3/8" plastic ball with included hardware
This ball castor kit includes a black ABS housing, a 3/8″ diameter plastic ball, two spacers (1/16″ and 1/8″ thick), and two #2 screw sets. The total height of the ball castor, 0.4″, can be increased to about 0.6″ using the included spacers. The two included #2 screws can be used to mount the ball castor to your chassis (the distance between the screw holes is 0.53″).
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 probably keep it from rolling well.
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Pololu ball casters with plastic and metal balls. Ball diameter from left to right: 1″, 3/4″, 1/2″, and 3/8″
Pololu ball castor ball diameter |
height with no spacers |
distance between screw holes |
weight with no spacers or screws |
3/8″ plastic ball |
0.40″ | 0.53″ | 0.03 oz |
| 0.40″ | 0.53″ | 0.14 oz | |
| 0.53″ | 0.58″ | 0.07 oz | |
| 0.53″ | 0.58″ | 0.32 oz | |
| 0.91″ | 0.24″ | 0.25 oz | |
| 0.83″ | 0.61″ | 1.05 oz | |
| 1.10″ | 0.48″ | 0.65 oz | |
| 1.10″ | 0.48″ | 0.58 oz | |
| 1.10″ | 0.70″ | 0.36 oz |
| Ball diameter: | 0.375 in |
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| Weight: | 0.8 g1 |
| Ball material: | plastic |
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