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。
20.4985 inches minimum and 20.5000 inches maximum overall outside diameter, radial load direction, 0.0010 inches nominal radial internal clearance, straight bore shape, 17.4985 inches minimum and 17.5000 inches maximum bore diameter