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。
0.4995 inches minimum and 0.5000 inches maximum bore diameter, 0.6860 inches minimum and 0.6870 inches maximum overall outside diameter, self-aligning alignment type, 0.4270 inches minimum and 0.4370 inches maximum overall width, steel overall material