Dc motor RS775 opening and Fiting for more details 

RS775 DC motor Riparin
The 775 DC motor is a high-performance electric motor commonly used in various applications, including robotics, remote control vehicles, and power tools
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The 775 motor has a standard body size of 66.7 × 42 mm. The outer diameter (42.0 mm) represents the cylindrical motor body, while the height is 66.7 mm. The number “775” corresponds to this standard size
The motor’s shaft diameter is 5 mm, which is a common standard adopted by most manufacturers.
The shaft length typically ranges from 14 to 17 mm.
The motor operates within a voltage range of 6 to 36 volts, with a nominal operating voltage of 12 volts.
The no-load current (maximum current when the motor is offload) is approximately 20 A.
The motor’s speed varies based on the applied voltage:
At 12 volts: ~4100 RPM