... NTN,KOYO, THK,IKO,NACHImain product:shperical roller bearing,cylindrical roller bearing, taper roller bearing,needle bearing,angular contact ball bearing,thrust ... so on.7.service :OEM service8.application:mining,machinery,milling,cement and so on.9.package:carton, box or ... mmhttp://www.dlzyb.comSealed double row .full complement cylindrical roller bearing: d 20-----240mm The following is the ...