... seriesSupport unit of ballscrew EF,EK,BK,BF,FK,FF...As a professional ball screw support units manufacturer with many year ... delivery and good service.4.Models:EF,EK,BK,BF,FF... Specifications:Product pictures: Our factury show:Products in stocks ... Welcome to contact us:CompanyTianJin NaBoRui Mechanical Equipment sales Co.,LtdContact personNing BinPhone86-022-58269136Fax86-022-87865326Brand name SKF ...