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Shoulder Idler Cheek 625
An upright cheek plate for a robot-arm turntable. It holds the idle end of an M5 shoulder axle 33 mm above the base, with a captured M5 nut on the inner face so the axle can be tightened from one side. The 30 x 40 mm gusseted foot has two 10 mm M3 slots so you can slide the cheek to take up axial play against a 625 bearing stack.
🧩 Part of the SG90 Four-Axis Desktop Robot Arm (outboard shoulder support, slides to fit) kit.
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