[Qty.8] 6306-2RS Radial Ball Bearing w/ Snap-Ring [30mm ID x 72mm OD x 19mm W]
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16pcs RC Ball Bearings Kit 5x10x4 5x11x4 8x12x3.5mm Rubber Sealed Compatible …
8x12x3.5mm（4Pcs）. Item: Rubber Sealed RC Ball Bearings Kit 5x10x4mm 5x11x4mm 8x12x3.5mm. Quantity: 16pcs in total. The rc ball bearings are easy to install, reduce friction. Rubber sealed ball bearings have maximum protection.