GB/T3452.1-1992 标准系列O型圈 线径7.0mm的O型圈内径*线径  NBR70橡胶标准材质工作温度-20--+100度内径*线径N材质单价40*7.0 N￥ N￥ N￥ N￥2.1966*7.0 N￥2.3871*7.0 N￥2.5476*7.0 N￥2.7181*7.0 N￥2.8786*7.0 N￥3.0390*7.0 N￥3.1691*7.0 N￥3.2092*7.0 N￥3.2396*7.0 N￥TE397*7.0 N￥3.39100*7.0 N￥3.49101*7.0 N￥3.52102*7.0 N￥3.56103*7.0 N￥3.59106*7.0 N￥3.69109*7.0 N￥3.78111*7.0 N￥3.85112*7.0 N￥3.88115*7.0 N￥3.98116*7.0 N￥3.98117*7.0 N￥4.04118*7.0 N￥4.08122*7.0 N￥4.21125*7.0 N￥4.31内径*线径N材质单价126*7.0 N￥4.34128*7.0 N￥4.40132*7.0 N￥4.53136*7.0 N￥4.66140*7.0 N￥4.79145*7.0 N￥4.96150*7.0 N￥5.12155*7.0 N￥5.28160*7.0 N￥5.45165*7.0 N￥5.61170*7.0 N￥5.77Q-Q-694135321175*7.0 N￥5.94180*7.0 N￥6.10185*7.0 N￥6.26190*7.0 N￥6.42195*7.0 N￥6.49200*7.0 N￥6.75206*7.0 N￥6.95212*7.0 N￥7.14218*7.0 N￥7.34224*7.0 N￥7.53230*7.0 N￥7.73236*7.0 N￥7.92243*7.0 N￥8.15250*7.0 N￥8.38258*7.0 N￥8.64265*7.0 N￥8.87272*7.0 N￥9.10280*7.0 N￥9.36290*7.0 N￥11.30内径*线径N材质单价300*7.0 N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥TE3437*7.0 N￥ N￥ N￥ N￥ N￥ N￥ N￥ N￥20.43545*7.0 N￥2 N￥2 N￥25.52600*7.0 N￥26.39615*7.0 N￥27.05630*7.0 N￥27.70650*7.0 N￥28.57670*7.0 N￥29.44