30 Pcs Thin Wall Bearing 6700ZZ 10x15x4mm Low Noise Double Shielded Small

Model: 6700ZZ. Size (IDxODxT): Approx. 10x15x4mm / 0.39x0.59x0.16in. Double Shielded Design: The thin wall bearings adopt a double layer shielding design, which can prevent pollutants from entering and save lubricants.

eBay