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。
1.4300 inches minimum and 1.4350 inches maximum outer ring width, 1.4900 inches minimum and 1.5000 inches maximum inner ring width, 1.9993 inches minimum and 2.0000 inches maximum bore diameter, rigid alignment type, contact bearing seal type