Detailed Product Description KET door lock bearing specific info:.KET Bearing Co ... motorcycles, agriculture machinery, bicycle and fitness equipments.Such as:Series miniature, series6000, series6200, series6300, series6400, series6800,Pricision ... Metric minature series, Inch minature series, Trust rooler series, Flange series, HK series needle roller series, HFone way needle roller series.We welcome ...