Rolling bearings ; single - row self - aligning roller bearings 滾動軸承.單列自位滾柱軸承
Aerospace series . bearings , airframe rolling , single row self - aligning roller bearings , in steel , diameter series 3 and 4 , dimensions and loads 航空航天系列.軸承.機體用軸承.鋼制單列自位滾柱軸承.直徑系列3和4 .尺寸和負荷
Aerospace series - . bearings , airframe rolling , single row self - aligning roller bearings , in corrosion resisting steel , diameter series 3 and 4 , dimensions and loads 航空和航天系列.軸承.機體用軸承.耐蝕鋼制單列自位滾柱軸承.直徑系列3和4 .尺寸和負荷