The utility model discloses a cylindrical roller bearing, including bearing inner race, bearing inner race, install a plurality of cylindrical roller between bearing inner race and bearing inner race and fix a position each cylindrical roller's holder, the holder constitute by two first support bodys and a second support body, first support body has 4 complete pocket holes, the second support body has 3 complete pocket holes, and the both ends of first support body, second support body have the pocket hole respectively half, and half pocket punch combination on two adjacent support bodys becomes a complete pocket hole. Because the holder comprises the concatenation of three support body for 1-2 cylindrical roller can more than enoughly be adorned for same overall dimension's cylindrical roller bearing to this bearing, through the experiment the utility model discloses a bearing has nearly improved about 10% than strenghthened type bearing rated load of the same type, and life test has improved 3-4 times than strenghthened type bearing of the same type.