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。
rigid alignment type, 1.6535 inches nominal overall outside diameter, non-separable, open end, drawn shell style designator, 0.4654 inches minimum and 0.4734 inches maximum overall width, 1.3780 inches nominal bore diameter