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。
38.09 millimeters minimum and 38.10 millimeters maximum bore diameter, rigid alignment type, 25.15 millimeters minimum and 25.40 millimeters maximum overall width, 47.61 millimeters minimum and 47.64 millimeters maximum overall outside diameter, 66 fed std single material response overall material document and classification