Pololu Ball Casters

PL-956
This light ball caster uses a 1" diameter plastic ball. The height of the assembled kit ranges from 1.1" to 1.4". Dowel pins are used to minimize the friction between the ball and the ABS.....
$6.99
PL-953
This ball caster uses a 1/2" diameter metal ball. The height of the assembled kit ranges from 0.5" to 0.8"...
$2.79
PL-952
This light ball caster uses a 1/2" diameter plastic ball. The height of the assembled kit ranges from 0.5" to 0.8"...
$2.79
PL-955
This light ball caster uses a 3/4" diameter metal ball. The height of the assembled kit ranges from 0.8" to 1.1"...
$4.19
PL-954
This light ball caster uses a 3/4" diameter plastic ball. The height of the assembled kit ranges from 0.9" to 1.2". Dowel pins are used to minimize the friction between the ball and the ABS.....
$5.59
PL-951
This small ball caster uses a 3/8" diameter metal ball. The height of the assembled kit ranges from 0.4" to 0.6"...
$2.79
PL-950
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"...
$2.79
PL-957
This ball caster can be used as a replacement 3pi robot part or as a general-purpose ball caster. When mounted through a hole in a chassis that uses our micro metal gearmotors and our 32×7mm.....
$2.79