由兩個以上軸承組成的多軸承組件,用於雙聯安裝。主要用於飛機螺旋槳和旋翼機旋翼葉片。另請參閱球軸承、環形軸承。
steel overall material, 5.2470 inches nominal bore diameter, 3angular contact bearings,2 tandemduplex ground,1 face to face duplex ground stack arrangement, 3.1400 inches nominal overall width, 6.1350 inches nominal overall outside diameter