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624 Bearing Front Wheel
A free-rolling Ø60 x 20 mm front wheel for the 'SG90 Ackermann Steering Rover Chassis' kit. It has two tyre grooves (3 x 1.5 mm, 5 mm in from each face) for O-rings or rubber bands. Each face has a Ø13.05 x 5.2 mm press-fit pocket for a 624 bearing (4 x 13 x 5 mm), and a Ø6 bore passes through the web for the knuckle's M4x30 axle bolt. Print two. It prints flat with no supports: a 4 mm floor web and six full-height spokes join the 3 mm rim to the Ø20 hub.
🧩 Part of the SG90 Ackermann Steering Rover Chassis (free-rolling front wheel on M4 axle) kit.
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