The Yokomo BB-63-2A 3x6x2.5mm ball bearings are engineered to keep wheel and drivetrain parts turning smoothly. Dimensions are 3mm inner, 6mm outer and 2.5mm thick, making them suitable for many small-scale mounting points on RC cars.
They suit a range of Yokomo chassis, including DP-DIB2 and MRTC-BD8 types, and are useful for both casual bashing and lap-focused setups. Their tight tolerances help maintain efficient power transfer and lower heat build-up in bearings under load.
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