Uxcell 626Z Double Metal Shielded Miniature Metric Ball Bearings 6 x 19 x 6mm 5 Pcs, Ball bearing;model no. : 626Z Material : metal;Color : Silver Tone Inside diameter : 6mm / 0.24";outside diameter : 19mm / 0.75" WIDTH : 6mm / 0.24";Net weight : 38G Package Content : 5 x ball bearings