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, lips turned outwardly bearing seal type, 1.2510 inches minimum and 1.2519 inches maximum bore diameter, grease lubrication material, 1.7495 inches minimum and 1.7500 inches maximum overall outside diameter