Specifications:

Model Note:
1.The first two digits of the code: the number of teeth on the outer teeth of the gear
2. Code three or four digits: number of teeth inside the gear
3.The fifth digit of the code: the aperture size of the gear
4. Encoded English: A: tight fit B: loose fit


The central axis of 2A is 1.95mm; Tightly fit with a 2mm optical axis and rotate together with the optical axis.

2B represents a central axis of 2.05mm; Loosely matched with a 2mm optical axis, it rotates freely on the optical axis.

For example, the size of 16102B: 16 external teeth, 10 internal teeth, and a loosely fitted axle with a diameter of 2MM.

Gear diameter: (16+2) X 0.5 (MM)=9MM Gear outer diameter is 9MM

Module: 0.5, 12 types in total. Thickness: 4-5MM

Calculation formula for gear diameter: (number of teeth+2) X 0.5 (MM)
 
 
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