40Cr Hardened 23T Motor Pinion MG323T/0.5M (0.5mm module) by GPM  [MG323T/0.5M]

40Cr Steel Motor Gear 23T ( Module:0.5mm, Motor Tooth Diameter:3.175mm) - GPM MG323T/0.5M
Price:
AUD$11.31
Brand:
GPM
Model:
MG323T/0.5M
GTIN:
4894538411478
Condition:
Brand New
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40Cr Steel Pinion — 23 Teeth

This MG323T/0.5M motor gear is an aftermarket pinion intended for RC motors matching the stated sizes. It features a 0.5mm module, 23 teeth and a 3.175mm motor tooth diameter, with a hardened black finish to improve surface durability versus untreated finishes.

Fitment and securing: the pinion has a round bore sized for the given motor tooth diameter and is secured to the shaft using two 3x3 set screws. Always confirm the module, tooth count and shaft interface before purchase to prevent misfit issues.

Tuning considerations: use this pinion when making small drivetrain ratio changes where tooth count and material hardness influence mesh quality, wear and drivetrain smoothness. Proper matching to the spur gear is essential for reliable operation.

How does 40Cr steel compare to softer materials?

The hardened 40Cr offers higher wear resistance and improved strength compared with softer steels or common alloys, extending pinion life under load.

Will changing the tooth count affect performance?

Yes. Altering tooth count changes the drive ratio and will affect acceleration and top speed; even small steps can noticeably change handling.

Any recommendations for break-in or inspection?

Run the model gently after fitting to confirm quiet mesh and re-tighten the two 3x3 set screws after an initial short session. Inspect for abnormal wear.

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