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。
chamfered id special features, grease lubrication material, steel overall material, afbma std tolerance for industrial needle bearings standard tolerance designation, rigid alignment type