一種軸承,其軸或旋轉部件圍繞通常位於保持架內的硬化滾子旋轉。它必須包含內圈或外圈,或兩者兼有。對於不帶滾道的軸承,請參閱保持架和滾子,軸承。
1.3125 inches nominal overall width, steel overall material, oil hole in outer ring special features, 55.0 millimeters nominal bore diameter, 100.0 millimeters nominal overall outside diameter