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Dual 625 Outboard Wheel Axle Block
A flanged bearing block that holds two 625 bearings (5 x 16 x 5 mm, press-fit 16.05 mm pockets, 21.6 mm apart) on a 5 mm wheel axle. It bolts to a chassis side plate with four M3 screws on a 32 mm square. It takes the wheel load off wobbly TT gearmotor output shafts and other small drive shafts: couple the motor to the 5 mm axle and let this 44 x 44 x 32 mm ribbed block carry the load.
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