Ballscrew bearing support unit block EK,EK series 1.high rigidity 2.easy installation ... Precision ballscrew bearing support unit block EK,EK seriesKinds of types:EF,EK,BK,BF,FK,FF...As a ... professional ball screw support units manufacturer with many year’s experiences ... 3.Prompt delivery and good service.4.Models:EF,EK,BK,BF,FF... Specifications:Product pictures: Product Types: ...