一種組裝單元,由裝有一個或多個滑動軸承的外殼組成,旨在滿足各種或特定的安裝條件。
rigid alignment type, 0.812 inches minimum and 0.822 inches maximum base thickness, 16.000 inches nominal center to center distance between mounting holes along width, shell assy, torpedo tube end item identification, 2.000 inches nominal bore diameter