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。
mil-g-23827 mil spec single material response lubrication material document and classification, 0.3743 inches minimum and 0.3750 inches maximum bore diameter, one lip inward, one lip outward bearing seal type, 0.4950 inches minimum and 0.5000 inches maximum inner ring width, rigid alignment type