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。
5.5000 inches nominal housing height, 7.1250 inches nominal center to center distance between mounting holes along width, 2.7500 inches nominal height from bottom of base to bore centerline, 2.4375 inches nominal bore diameter, 1.7500 inches nominal base thickness