一種組裝單元,由包含單列或多列滾子軸承的外殼組成,設計用於滿足各種或特定的安裝條件。
rigid alignment type, 2.1600 inches nominal bolt circle diameter, fixed block type, 0.9841 inches minimum and 0.9843 inches maximum bore diameter, 0.3523 inches minimum and 0.3543 inches maximum assembly overall length