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。
4.9998 inches minimum and 5.0006 inches maximum bore diameter, outward convergent internal fit-up contact angular direction, contact bearing seal type, 0.0014 inches minimum radial and 0.0024 inches maximum radial internal clearance, straight bore shape