位於滾珠或滾柱軸承表面的金屬或塑膠防護罩,主要用於防止異物進入軸承的內部結構。
61mm od x 38mm id x 0.1614 inch thick; coldmilled zinc galvanized stamped steel special features, boom assy; side port crane end item identification, bearing seal part name assigned by controlling agency, steel overall material