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。
non-loading groove, non-separable style designator, 2.9525 inches minimum and 2.9528 inches maximum overall outside diameter, 1.7715 inches minimum and 1.7717 inches maximum bore diameter, 0.6249 inches minimum and 0.6299 inches maximum overall width