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。
loose internal fit-up designation, radial load direction, straight bore shape, 6.9990 inches minimum and 7.0000 inches maximum bore diameter, 7.9988 inches minimum and 8.0000 inches maximum overall outside diameter