XRAY Ball Bearing 4x7x2.5 MR74ZZ (2)

XRAY Ball Bearing 4x7x2.5 MR74ZZ (2)
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This is set of two replacement 4x7x2.5mm bearings for the XRAY M18 1/18th scale touring car. These bearings go inside the ball differential. Bearings are degreased and lightly oiled with Aero Shell Fluid 12 oil for maximum smoothness, long life, highest tolerance and maximum performance.