一種組裝單元,由包含單列或多列滾珠軸承的外殼組成,設計用於滿足各種或特定的安裝條件。
2.312 inches nominal assembly overall length, self-aligning alignment type, fixed block type, 2.0000 inches nominal bore diameter, 5.125 inches nominal center to center distance between mounting holes along side of a square