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。
straight bore shape, nonlocating locating feature, 3.1498 inches minimum and 3.1501 inches maximum overall outside diameter, 0.0018 inches minimum radial and 0.0022 inches maximum radial internal clearance, 1.3778 inches minimum and 1.3780 inches maximum bore diameter