1. The pinion motor gear is made of 45# Steel, the tooth surface is treated by high frequency quenching, more stable, anti-wear, strong and durable, and durable in use.
2. Teeth: 52T, Tooth Pitch: 3.1mm / 0.12inch, Tooth Depth: 2.3mm / 0.09inch, Outer Diameter: 54mm / 2.13inch, Inner Diameter: 8mm / 0.31inch, Total Thickness: 10mm / 0.39inch, Module: 1 Mod, Pressure Angle: 20°
3. The pinion gear aperture is 8mm and the module is 1, please check the size before purchasing.
4. Good machining made it less rough and noisy than other gears, making them roll smoothly.
5. Good straight spur gear replacement for your device.
6. The inner hole of the gear is the blank hole, which needs to be processed by itself.