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

Hardened 40Cr 23T Motor Pinion

This MG323T/0.5M motor gear is an RC-scale replacement pinion built for motors that match the listed dimensions. The part uses a 0.5mm module, has 23 teeth and a motor tooth diameter of 3.175mm, and the hardened black treatment reduces surface wear compared with untreated parts.

Fitment and function: the gear features a round motor bore sized for the specified motor tooth diameter and secures to the motor shaft using two set screws sized 3x3. Verify the pinion's module, tooth count, and shaft interface against your motor before purchase to ensure mechanical compatibility.

Tuning role: this pinion is intended for drivetrain adjustments where small changes in tooth count or material hardness affect gear engagement, wear rate, and overall transmission smoothness. Use this gear when matching module and shaft specifications are required for reliable meshing with corresponding spur gears.