Thought it would be confusing with just a drawing, 3d is better! Let my try to explain...
The first 10t gear is press fit on the motor shaft. It's not supported in anyway other from the motor bearings (looks solid enough as its got 3 bearings inside)
This 10t gear drives a second gear cluster (35t and 10t). These gears are press fit on a 6mm Crv shaft and turn together (driven by the 10t gear on the motor. This shaft is supported at both ends by two 6x12x4mm ball bearings.
This gear cluster in turn drives the final 35t gear. This gear is press fit on the output drive shaft. The output shaft is supported at both ends on ball bearings. One side is 6x12x4mm, the bearing on the other side is larger in diameter (10x15x4mm) because of the square portion of the shaft.
Here's a couple of pics from different angles...does it make sense?
gearbox2.jpggearbox3.jpg




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