Main stucture form:bearing code structure characteristicKR with keeping frame, postfix "X" donates surface of column, such as: KR16 XKR.. PP with keeping frame and sealed circleKRV full of needlesKRV..PP full of needles and with sealed circlesNUKR full of column rollersNUKRE full of column rollers, with eccentricity coverCR inch, with supporting frameCR.. UU inch, with supporting frame and sealed circleCRV... inch, without supporting frameCRV...UU inch, without supporting frame, with sealed circleCRY...VCRY...VUUKRE with eccentricity cover and supporting frameKRE with eccentricity cover and supporting frame, full filled type
