一種單排或多排減摩軸承,帶或不帶內圈或外圈,其特點是滾輪尺寸相對較小,直徑通常不超過 0.250 英吋(6.35 毫米),長度通常比直徑長。
0.8750 inches nominal overall outside diameter, steel comp 4620 or steel comp 4720 or steel comp 8620 or steel comp 8720 or steel comp 1010 or steel comp 1020 outer ring material, 0.7400 inches minimum and 0.7500 inches maximum overall width, rigid alignment type, 0.6880 inches minimum and 0.6890 inches maximum bore diameter