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.

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  1. Metal ball casters
    Rating:
    80% of 100
    SKU: FIT0007 Brand: DFRobot
    Metal ball caster, 1mm thick steel plate from the machine stamping, it has the capbility to support 15KG payload.
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 10 to 16 day lead time
  2. Pololu Ball Caster with 1/2" Metal Ball
    Rating:
    100% of 100
    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".
    - +

    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  3. Pololu Ball Caster with 3/4" Metal Ball
    Rating:
    80% of 100
    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".
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  4. Pololu Ball Caster with 3/8" Plastic Ball
    Rating:
    100% of 100
    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".
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  5. 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...
    - +

    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 7 to 10 day lead time
  6. Pololu Ball Caster with 3/8" Metal Ball
    Rating:
    100% of 100
    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".
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    2 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Jun 4th
  7. Pololu Ball Caster with 1/2" Plastic Ball
    Rating:
    100% of 100
    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".
    - +

    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  8. Pololu Ball Caster with 3/4" Plastic Ball
    Rating:
    100% of 100
    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.
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  9. Pololu Ball Caster with 1″ Plastic Ball and Plastic Rollers
    SKU: POLOLU-2691 Brand: Pololu
    This ball caster uses a 1″ diameter plastic ball and has an overall height of 1.1″ (29 mm). The two-part housing snaps together to securely enclose the ball and three plastic rollers that reduce the friction between the ball and the ABS housing. The base piece of the housing has holes for three #4 or M3 screws (not included).
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  10. Caster (2-Pack)
    SKU: PRT-24050 Brand: Sparkfun
    These are basic nylon plastic casters with a 1" diameter...
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 8 day lead time

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