不含滾珠軸承、滑動軸承或滾柱軸承的單件或多件式組件。其設計旨在滿足各種或特定的安裝條件。對於帶有軸承的組件,請參閱滾珠軸承單元;滑動軸承單元;以及滾柱軸承單元。
3.9670 inches nominal housing height, 3.0920 inches nominal height from bottom of base to bore centerline, 0.7500 inches minimum and 0.7510 inches maximum bore diameter, 5.5000 inches nominal housing width, 1.2500 inches nominal flange thickness