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Pololu Ball Caster with 3/4" Metal Ball

Product Code : RB-pol-95

by Pololu

 In stock

 Metal balls with ABS housings
 3/4" diameter size
Two spacers (1/16" and 1/8" thick)
 Easy to assemble

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About this product


 Metal balls with ABS housings
 3/4" diameter size
Two spacers (1/16" and 1/8" thick)
Easy to assemble

The Pololu Ball Caster with 3/4" Metal Ball includes a black ABS housing, a 3/4" diameter metal ball, two spacers (1/16" and 1/8" thick) and two #2 screw sets. The total height of this ball caster is 0.83" 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 0.61".


• Height with no spacers                   - 0.83"
• Distance between screw holes       - 0.61"
• Weight with no spacers or screws  - 1.05 oz

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Reviews Summary

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Customer Reviews

Better than swivel caster !

Review by Robert

I used it to replace the swivel caster on my small robot !

(Posted on 2/9/17)

360 rotation

Review by Neil

Perfect for a turn table I was building for a first person view tracking system.

(Posted on 3/1/16)


Review by Rocco

Useful to provide robot with 360 degrees of rotation

(Posted on 1/3/16)


Review by alan

Amazing ball caster, so easy to use!

(Posted on 7/1/14)

Perfect for robot size small / medium

Review by Mauro

Ballcaster of perfect dimensions of a robot base diameter of 200mm: is provided with two supports / spacers to be easily used with wheel diameter slightly large.

(translated from Italian with Google Translate)

(Posted on 6/25/14)

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