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。
24.9982 inches minimum and 25.0000 inches maximum bore diameter, 26.99820 inches minimum and 27.00000 inches maximum overall outside diameter, angular load direction, grease or oil lubrication material, straight bore shape