Power AdaptorChina 40*50*6mm 6708RS 6708rz 6708DDU 6708VV 6708 2RS RS 2rz Rz 2RS1 DDU Du VV V Llu Ll 2nsl Rubber Seals Metric Thin-Wall Radial Single Row Deep Groove Ball Bearing, Find details about China Bearing, 6708zz from 40*50*6mm 6708RS 6708rz 6708DDU 6708VV 6708 2RS RS 2rz Rz 2RS1 DDU Du VV V Llu Ll 2nsl Rubber Seals Metric Thin-Wall Radial Single Row Deep Groove Ball Bearing