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。
plastic polyamide (nylon) and glass cage material, 0.6300 inches minimum overall width, 0.9365 inches nominal overall outside diameter, grease lubrication material, 0.6676 inches nominal bore diameter