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。
rigid alignment type, 0.8750 inches nominal bore diameter, 1.0000 inches nominal overall width, 66 assn std 2nd material response outer ring material document and classification, 1.1250 inches nominal overall outside diameter