一種圓柱形裝置,其內圈或外圈繞單排或雙排硬化滾珠轉動,滾珠在兩圈之間滾動順暢,從而最大限度地減少摩擦。對於表面經過特殊研磨以用於雙聯安裝的軸承,請參閱“雙聯滾珠軸承”。不含:機架滾珠軸承。
nickel alloy or copper alloy or aluminum alloy overall material, submarine antenna end item identification, qq-n-286,class a fed spec single material response overall material document and classification