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, straight bore shape, 20.0000 inches minimum and 20.0018 inches maximum bore diameter, 21.9942 inches minimum and 21.9960 inches maximum overall outside diameter, 0.9900 inches minimum and 1.0000 inches maximum overall width