一種圓柱形裝置,其內錐面或外圈在單排或雙排錐形硬化滾子上轉動,滾子在滾道中滾動順暢,從而最大限度地減少摩擦,設計用於承受徑向載荷和軸向推力。不包括:軸承、滾子、推力。
pump, reciprocating, 5p100 plunger end item identification, 2.559 inches nominal bore diameter, 4.724 inches nominal overall outside diameter, 1.260 inches nominal outer ring width, 1.614 inches nominal overall width