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。
1.1810 inches nominal overall width, 0.9838 inches minimum and 0.9843 inches maximum bore diameter, non-separable, with roller retainer, open end, drawn shell style designator, 1.2600 inches nominal overall outside diameter