Pololu 3/8" Metal Ball Caster

23140

2.99 USD
Qty
Price
1
$2.99 ea.
2+
$2.69 ea.

This Pololu caster uses a 3/8" metal ball to give a nice, low-friction ride at a height of 0.4" to 0.6"


Description [Hide]

It seems the lucky goons at Pololu have had a series of low-friction casters made from a 3D printer. This means it's got some pretty nice design points, and with a 3/8" metal ball, it offers a nice, low-friction ride at a height of 0.4" to 0.6"

The kit features black ABS housing, a 3/8" diameter plastic roller, and two spacers (1/16" & 1/8" thick), and a pair of #2 nut/bolt sets.

And weighing only 4 grams, it's light!

Pololu ball caster
ball diameter
Height with no
spacers
Distance
between
screw holes
Weight
(no spacers
or screws)
10.2mm (0.40") 13.6mm (0.53") 1g (0.03oz)
3/8" Metal-ball
10.2mm (0.40") 13.6mm (0.53") 4 (0.14oz)
13.6mm (0.53") 14.7mm (0.58") 2g (0.07oz)
13.6mm (0.53") 14.7mm (0.58") 9g (0.32oz)
23.1mm (0.91") 6.1mm (0.24") 7g (0.25oz)
21.1mm (0.83") 15.5mm (0.61") 30g (1.05oz)
27.9mm (1.10") 17.8mm (0.70") 10g (0.36oz)

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