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。
0.6775 inches minimum and 0.6925 inches maximum inner ring width, 0.3121 inches minimum and 0.3127 inches maximum bore diameter, 0.1200 inches nominal crown radius, contact bearing seal type, rigid alignment type