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。
radial load direction, 1.8122 inches minimum and 1.8125 inches maximum bore diameter, straight bore shape, 2.2494 inches minimum and 2.2500 inches maximum overall outside diameter, 0.0005 inches minimum radial and 0.0015 inches maximum radial internal clearance