# Tamiya 70144 Ball Caster Kit (2 casters)

**Type:** Product page · **SKU:** POLOLU-66 · **Brand:** [Pololu](https://core-electronics.com.au/brands/pololu-australia)
**Page:** https://core-electronics.com.au/tamiya-70144-ball-caster-kit-2-casters.html ([markdown](https://core-electronics.com.au/tamiya-70144-ball-caster-kit-2-casters.html.md))

Tamiya’s steel-ball caster is a good way to give a “third wheel” to a small robot powered by a differential drive. The kit comes with enough parts to make two casters, either 25 mm or 35 mm in height.

## Pricing

- **Price:** $17.70 (inc GST) — $16.09 AUD, exc GST
- **Quantity discounts:** 10+ $15.45 (exc GST) · 25+ $14.96 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 21 and Aug 24.

## Description

The Tamiya 70144 ball caster from Tamiya’s educational construction series is a small steel ball that rests on metal rollers inside a plastic housing. The caster can be assembled in two different ways, so that it has a total height of either 25 mm or 35 mm. The kit contains two complete ball casters and various types of mounting screws as well as spacers for small height adjustments.

Pololu also offer a line of [Pololu ball casters](https://core-electronics.com.au/category/45/pololu-ball-casters), as well as a smaller, [plastic ball caster](https://core-electronics.com.au/plastic-ball-caster-trio.html).

**People often buy this product together with:**

| [![Tamiya 70097 Twin-Motor Gearbox Kit](https://core-electronics.com.au/attachments/localcontent/0J4708_42229d371e.jpg)](https://core-electronics.com.au/tamiya-70097-twin-motor-gearbox-kit.html) | [Tamiya 70097 Twin-Motor Gearbox Kit](https://core-electronics.com.au/tamiya-70097-twin-motor-gearbox-kit.html) |
|---|---|

| [![Tamiya 70145 Narrow Tire Set (2 tires)](https://core-electronics.com.au/attachments/localcontent/0J226_279093ace2.jpg)](https://core-electronics.com.au/tamiya-70145-narrow-tire-set-2-tires.html) | [Tamiya 70145 Narrow Tire Set (2 tires)](https://core-electronics.com.au/tamiya-70145-narrow-tire-set-2-tires.html) |
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| [![Tamiya 70101 Truck Tire Set (4 tires)](https://core-electronics.com.au/attachments/localcontent/0J227_3491b68107.jpg)](https://core-electronics.com.au/tamiya-70101-truck-tire-set-4-tires.html) | [Tamiya 70101 Truck Tire Set (4 tires)](https://core-electronics.com.au/tamiya-70101-truck-tire-set-4-tires.html) |
|---|---|

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/t/a/tamiya_70144_ball_caster_kit__2_casters___pololu_66__00.jpg)