... Description KET Miniature Bearing, Small Bearing, Micro Bearing:.KET Bearing Co., Ltd is original manufacturer of deep groove ball bearing in China ... .Such as:Series miniature, series6000, series6200, series6300, series6400, series6800,Pricision Level:0(ABECI), 6(ABEC3), 5(ABEC5), 4(EBEC7), 2(EBEC9 ...