Pololu Ball Caster with 3/8" Plastic Ball

Pololu #950

New product

This small, light ball caster uses a 3/8" diameter plastic ball. The height of the assembled kit ranges from 0.4" to 0.6".

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Rs. 199.00 tax incl.

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This ball caster kit includes a black ABS housing, a 1/2" diameter plastic ball, two spacers (1/16" and 1/8" thick), and two #2 screw sets. The total height of the ball caster, 0.53", can be increased to about 0.7" 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 0.58").

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.

Comparison of Pololu ball casters

Pololu ball caster 

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

3/8" metal-ball

0.40"

0.53"

0.14 oz

1/2" plastic-ball

0.53"

0.58"

0.07 oz

1/2" metal-ball

0.53"

0.58"

0.32 oz

3/4" plastic-ball

0.91"

0.24"

0.25 oz

3/4" metal-ball

0.83"

0.61"

1.05 oz

1" plastic-ball

1.10"

0.70"

0.36 oz

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Pololu Ball Caster with 3/8" Plastic Ball

Pololu Ball Caster with 3/8" Plastic Ball

This small, light ball caster uses a 3/8" diameter plastic ball. The height of the assembled kit ranges from 0.4" to 0.6".

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