単列または複数列の硬化円筒ころとリテーナー(内輪または外輪の有無を問わず)で構成される非調整式ころ軸受。軸受、ころ、機体は除く。
part of the trailing flap system functional description, bearing part name assigned by controlling agency, parts catalog 27-51-07-01 supplementary features, 737 type/model designation, boeing 737-300/400/500 twin engine,narrow body aircraft end item identification