... ,BA,TA..Z--drawn cup caged needle roller bearing with open end;BK,TAM,TLAM--drawn cup caged needle roller bearing with ... .FY,YT--drawn cup caged full needle roller bearing with open end(grease limit)3.FH,YTL--drawn cup caged full needle ... roller bearing with open end(heavy series)4.MF--drawn cup caged full needle roller ...