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。
25.0000 millimeters nominal bore diameter, 47.0000 inches nominal overall outside diameter, 0.0006 inches minimum radial and 0.0020 inches maximum radial internal clearance, straight bore shape, one direction locating feature