... NTN,KOYO, THK,IKO,NACHImain product:shperical roller bearing,cylindrical roller bearing, taper roller bearing,needle bearing,angular contact ball bearing, ... thrust ball bearing,thrust roller bearing.3.material: stainless steel,bearing steel, carbon ... ://www.dlzyb.comSealed double row .full complement cylindrical roller bearing: d 20-----240mm The following is the ...