Extra thin bearing with low torque, low-noise. Although the deep groove ball bearing is very thin, the quality contr Extra thin bearing with low torque, low-noise. Although the deep groove ball bearing is very thin, the quality control is good.The products include 688, 6800, 6801, 6802, 6803, 6804, 6805, 6806,6807,6808,6809,6810.Min Order Quantity:1000pcsPayment Term :TT D/P L/C