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。
2.875 inches nominal center to center distance between mounting holes along width, rigid alignment type, 1.000 inches nominal base length, 0.6250 inches nominal bore diameter, 0.500 inches nominal base thickness