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, 0.5260 inches minimum and 0.5310 inches maximum outer ring width, rigid alignment type, 0.9370 inches minimum and 0.9375 inches maximum overall outside diameter, grease lubrication material