12mm Chrome Steel Ball Bearing Ball 6.35mm 50.8mm 25.4mm 12mm G10-Grade Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：Low Noise 10X26X8mm Deep Groove Ball Bearing 6000 6000zz 6000-2RS Next：G200 3.17mm 3.5mm 4mm 4.5mm 4.76mm 6.35mm 6.8mm Solid Steel Ball
