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。
straight bore shape, 2.3619 inches minimum and 2.3622 inches maximum bore diameter, 4.3304 inches minimum and 4.3307 inches maximum overall outside diameter, radial load direction, 0.0015 inches minimum radial and 0.0024 inches maximum radial internal clearance