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。
104.78 millimeters nominal overall width, abec no.1 standard tolerance designation, 260.0 millimeters nominal overall outside diameter, 120.0 millimeters nominal bore diameter, straight bore shape