uxcell 2 Pcs Roller-Skate Skateboard Deep Groove Ball Bearings 6201RS Product Name: Groove Ball Wheel Bearings; Type: 6201RS Materal: Carbon Steel, Rubber; Outer Diameter: 32mm / 1.259" Inner Diameter: 12mm/ 0.472"; Thickness: 10mm/ 0.393" Color: Silver Tone, Black; Weight: 69g Package Content: 2 x Groove Ball Wheel Bearings