TOOGOO(R) 15 x 35 x 11mm Double Sealed Deep Groove Ball Wheel Bearing Product Name : Deep Groove Ball Bearing Material : Metal, Rubber;Outer Diameter : 35mm / 1.38" Inner Diameter : 15mm/ 0.59";Thickness : 11mm/ 0.43" Color : Silver Tone, Black;Weight : 48g Package Content : 1 x Deep Groove Ball Bearing