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。
61.9125 millimeters nominal bore diameter, 184.0000 millimeters nominal center to center distance between mounting holes along width, 20.0000 millimeters nominal base thickness, 69.8000 millimeters nominal height from bottom of base to bore centerline, 70.00 millimeters nominal assembly overall length