一種通常呈圓形的剛性部件,用於容納軸承。它用於定位軸承,但不會包裹軸承或限制軸承的運動。
12.4690 inches nominal outside diameter, 0.4400 inches nominal overall width, steel overall material, 10110du,fscm 90099 mfr ref single material response overall material document and classification, 6.1200 inches nominal bore diameter