Bearing:ball screw support 1.Taiwan HSK,SYK ball screw support 2.China Angle contact ball ball screw support with best price Ball screw support advantage:A.Type : BK-BF,FK-FF,EK-EF,BKU-BFU,EKU-EFU,WBKE,WBK-DF,WBK-DFDB.Taiwan HSK, SYK , Well Motion C.Price is good,quality is best,deliver time is fast D.Trial order is accpetable, Paypal is welcome too ...