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。
3.1250 inches nominal overall outside diameter, 2.7510 inches minimum and 2.7525 inches maximum bore diameter, 66 fed std all material responses outer ring material document and classification, 1.2400 inches minimum and 1.2500 inches maximum overall width, rigid alignment type