由一個球或滾子徑向單元和一個球或滾子推力單元組成的軸承。徑向單元的內圈與推力單元的內圈構成一體。另請參閱軸承、球、環形軸承。
0.6250 inches nominal bore diameter, nuclear application end item identification, deep groove radial ball bearing part name assigned by controlling agency, 1.3750 inches nominal overall outside diameter, 0.2812 inches nominal overall width