FA防尘圈50-58-5执行标准GB/T10708.1-2000,Ax型防尘是一种无骨架防尘密封圈，一般安装在液压机械港头前端的封闭缸头内，设计之时必须将唇口稍稍突出缸头端部，将有利于唇口的污物清除，起到防尘作用。FAFBFC规格齐全，华傲将用产品品质与您携手共创中国制造美好明天。。表1A型防尘圈的尺寸及公差单位：mmdDL1d1D1S1h1基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差基本尺寸极限偏差61454.6&plu***n;0.1514&plu***n;0.153.5&plu***n;0.155-0.3008166.61610188.618122010.620142212.5&plu***n;0.2522162414.524182616.526202818.528223020.530253323.533283626.536324030.540364434.544404838.548455343.553505848.55856666.35466&plu***n;0.354.36.36070587063736173708068&plu***n;0.35808090789090100881001001159.597.5&plu***n;0.45115&plu***n;0.456.59.5110125107.5125125140122.5140)