uxcell 635Z 5x19x6mm Sealed Miniature Deep Groove Radial Ball Bearings 10 Pcs Product Name : Deep Groove Ball Bearing;Model No. : 635Z Inner Diameter : 5mm / 0.2";Outer Diameter : 19mm / 0.75" Height : 6mm / 0.24";Color : Silver Tone Material : Metal;Net Weight : 81g Package Content : 10 Pcs x Deep Groove Ball Bearings