gearbox planetary gear M0.5 6x Reduction Planetary Gearset
SKU: 89944096523
gearbox planetary gear

gearbox planetary gear M0.5 6x Reduction Planetary Gearset

Sale price$25.70 Regular price$28.55
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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7

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Description

gearbox planetary gear M0.5 6x Reduction Planetary GearsetThis is a steel gearset for a 6x planetary gearbox, like used in the qdd100 and other Mini Cheetah style servos. It fits inside the stator of 8108 and larger sized motors. A center distance of 30. 0mm is appropriate. It includes 1 ring gear, 1 sun gear, and 3 planet gears with installed needle bearings. Ring gear specifications: 100 tooth OD: 55mm + 0 0. 05 Width: 5mm Mass: 15. 2g 42CrMo Steel HRC 25 Notional STEP File Sun gear specifications: 20

This is a steel gearset for a 6x planetary gearbox, like used in the qdd100 and other Mini-Cheetah style servos.  It fits inside the stator of 8108 and larger sized motors.  A center distance of 30.0mm is appropriate.

It includes 1 ring gear, 1 sun gear, and 3 planet gears with installed needle bearings.

Ring gear specifications:

  • 100 tooth
  • OD: 55mm +-0/-0.05
  • Width: 5mm
  • Mass: 15.2g
  • 42CrMo Steel
  • HRC 25
  • Notional STEP File

Sun gear specifications:

  • 20 tooth
  • Tooth length: 6mm
  • Overall length: 18mm
  • Hub diameter: 11mm +0/-0.02
  • Bore diameter: 4mm +0.02/-0.0
  • Mass: 10.2g
  • C-40Cr Steel
  • HRC 25
  • Notional STEP File

Planet gear specifications:

  • 40 tooth
  • Tooth length: 5mm
  • Overall length: 6mm
  • Hub diameter: 14mm
  • Bore diameter: 10mm +0.02/-0.0
  • Installed HK0608 needle bearing
  • Mass: 10.9g (with bearing)
  • C-40Cr Steel
  • HRC 25
  • Notional STEP File

Notes:

  • Mounting of the sun and ring gear can be accomplished either with a shrink fit, or with adhesive. 
  • For mounting to aluminum, we recommend:
    • slip fit 
    • degreasing mating surfaces with acetone
    • optional abrasion
    • a primer of Loctite SF7471
    • Loctite 638
    • 24 hour cure at 55C.
  • Lubrication is required for operation under load.  We recommend Sta-LUBE CRC SL3330 Moly-Graph Lithium Grease
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 89944096523

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Stefne
Cuba, US
★★★★★ 5
Great for little dogs that like to chew
Color: Hedgehog
Great for my 10 lb chihuahua that loves to chew! Keeps his teeth clean!
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Reviewed in the United States on June 7, 2026
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pgm
Grantham, US
★★★★★ 5
Cute Fun Puppies Love it Immediately Good Price
Color: Teething Stick
This little top was a huge success for my active Multipoo! She started playing with it immediately. I think it will become her favorite toy! It isn't expensive. It is well made and very cute!
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Reviewed in the United States on June 7, 2026
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Angel Harrison
Chelsea, US
★★★★★ 4
My puppy loves it
Color: Teething Stick
It's cute and a good size for my chihuahua puppy. It seems to be slightly tearing at the seam in the middle, but hopefully it will hold up.
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Reviewed in the United States on May 16, 2026
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Melissa F
Draper, US
★★★★★ 5
LOVE this tough toy! My teething puppy is still enjoying it!
Color: Hedgehog
LOVE the hedgehog! Very tough! My dachshund has not been able to chew off any of the 'nubs', and does she try! lol The only thing is, the first thing she did was chew off the nose, but I discarded it and watched her closely to make sure she didn't chew off any more, and no, its still being chewed on. Wish I could find more toys like this one!!
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Reviewed in the United States on May 21, 2026
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dawn
Battle Creek, US
★★★★★ 3
still searching for a truly indestructible dog chew toy
Color: Hedgehog
My smallish dog (15 lb Boston terrier) got this chewed up within a half an hour. I didn't notice right away that he was also eating the parts he chewed off. Didn't last a day. Otherwise, quick shipping for a cute toy.
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Reviewed in the United States on June 12, 2026

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