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。
0.8748 inches minimum and 0.8751 inches maximum bore diameter, 0.9900 inches minimum and 1.0000 inches maximum overall width, steel overall material, 1.1200 inches minimum and 1.1203 inches maximum overall outside diameter, rigid alignment type