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Twin-Motor Bogie Arm
The rear bogie arm for the 'NEMA17 Rocker-Bogie Mars Rover Chassis' kit (print ×2; the arm is symmetric, so one print fits either side). It is an 8 mm thick flat plate, 126 × 64 mm. A 22.05 mm bore takes a press-fit 608 bearing on the M8x35 bogie pivot bolt. Two 46 × 46 mm NEMA17 pads, 80 mm apart, each have a 31 mm square of 3.4 mm holes for M3x12 screws and a 22.5 mm pilot hole. The two top outer corners are chamfered 8 mm so the arm clears the rocker as it swings.
🧩 Part of the NEMA17 Rocker-Bogie Mars Rover Chassis (rear bogie arm carrying middle + rear motors) kit.
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