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。
0.2960 inches nominal flange outside diameter, 0.1248 inches minimum and 0.1250 inches maximum bore diameter, 0.0310 inches nominal flange width, straight bore shape, 0.0003 inches minimum radial and 0.0008 inches maximum radial internal clearance