NOTE:There is an error between the technical size and the actual length
NOTE: Data parameters have error ± 0.1mm
for example
:X2A X1.5A X2.5A
1.X : Number of teeth
2.A: tight with B: loose with
1.8B represents the central axis of 1.85mm; and the optical axis of 1.8mm, loosely fitted, unfastened to rotate at the optical axis.
Gear diameter = (number of tooth +2) * 0.5 ( mm)
Modulus:0.5
d(Aperture)
:1.85MM
Thickness(h):3.3+1.5
+1.5MM
Diameter:16+4.1MM