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。
manufacturer description 30307av special features, gearbox assembly, steering; well deck crane, bridge assembly on ship deck end item identification, nilos ring m5/v5 v5i mtg. part name assigned by controlling agency