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。
needle roller thrust bearing part name assigned by controlling agency, 1.850 inches nominal outside diameter, 1.181 inches nominal bore diameter, 2355-01-539-3618 end item identification