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。
steel overall material, rigid alignment type, 2.6200 inches minimum and 2.6250 inches maximum overall width, 5.5110 inches minimum and 5.5118 inches maximum overall outside diameter, 3.7564 inches minimum and 3.7578 inches maximum bore diameter