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Casters are simple, free running 'wheels' which are often just a large ball bearing in a mount. They're designed to be the third point of contact for two wheel robots while keeping friction low.

  1. Metal ball casters FIT0007 DFRobot Australia - Express Post Australia Wide

    Metal ball casters

    SKU: FIT0007
    | Brand: DFRobot
    Metal ball caster, 1mm thick steel plate from the machine stamping, it has the capbility to support 15KG payload. Learn More
    $3.10 AUD, inc GST
    AUD, inc GST
    delivered by
    Thu 27th of Sep

    $3.10 AUD

  2. Pololu Ball Caster with 1/2" Metal Ball POLOLU-953 Pololu in Australia - Express Delivery Australia Wide

    Pololu Ball Caster with 1/2" Metal Ball

    SKU: POLOLU-953
    | Brand: Pololu
    This ball caster uses a 1/2" diameter metal ball. The height of the assembled kit ranges from 0.5" to 0.8". Learn More
    $2.51 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $2.51 AUD

  3. Pololu Ball Caster with 3/4" Metal Ball POLOLU-955 Pololu in Australia - Express Delivery Australia Wide

    Pololu Ball Caster with 3/4" Metal Ball

    SKU: POLOLU-955
    | Brand: Pololu
    This light ball caster uses a 3/4" diameter metal ball. The height of the assembled kit ranges from 0.8" to 1.1". Learn More
    $3.77 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $3.77 AUD

  4. Pololu Ball Caster with 3/8" Plastic Ball POLOLU-950 Pololu in Australia - Express Delivery Australia Wide

    Pololu Ball Caster with 3/8" Plastic Ball

    SKU: POLOLU-950
    | Brand: Pololu
    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". Learn More
    $2.51 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $2.51 AUD

  5. Pololu Ball Caster with 3/8" Metal Ball POLOLU-951 Pololu in Australia - Express Delivery Australia Wide

    Pololu Ball Caster with 3/8" Metal Ball

    SKU: POLOLU-951
    | Brand: Pololu
    This small ball caster uses a 3/8" diameter metal ball. The height of the assembled kit ranges from 0.4" to 0.6". Learn More
    $2.51 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $2.51 AUD

  6. Pololu Ball Caster with 1/2" Plastic Ball POLOLU-952 Pololu in Australia - Express Delivery Australia Wide

    Pololu Ball Caster with 1/2" Plastic Ball

    SKU: POLOLU-952
    | Brand: Pololu
    This light ball caster uses a 1/2" diameter plastic ball. The height of the assembled kit ranges from 0.5" to 0.8". Learn More
    $2.51 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $2.51 AUD

  7. Pololu Ball Caster with 3/4" Plastic Ball POLOLU-954 Pololu in Australia - Express Delivery Australia Wide

    Pololu Ball Caster with 3/4" Plastic Ball

    SKU: POLOLU-954
    | Brand: Pololu
    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 housing. Learn More
    $5.03 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $5.03 AUD

  8. Supporting Swivel Caster Wheel - 1.3 Diameter ADA2942 Adafruit in Australia - Express Delivery Australia Wide

    Supporting Swivel Caster Wheel - 1.3 Diameter

    SKU: ADA2942
    | Brand: Adafruit
    When your little robot needs someone to lean on, it can lean on this support wheel. Perfect for use with 2-wheeled robots that need a third-point of support, this .. read more Learn More
    $3.50 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 24th of Sep

    $3.50 AUD

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