O型橡胶密封圈规格（GB1235-76） 材料：丁腈（NBR）
GB12325-76标准O型圈尺寸标记方法：外径x截面
规格 规格 规格 规格 规格 规格
5x1.9 40x3.1 155x3.1 60x5.7 175x5.7 240x8.6
6x1.9 45x3.1 160x3.1 63x5.7 180x5.7 245x8.6
7x1.9 50x3.1 165x3.1 65x5.7 185x5.7 250x8.6
8x1.9 55x3.1 28x3.5 70x5.7 190x5.7 255x8.6
9x1.9 60x3.1 30x3.5 73x5.7 195x5.7 260x8.6
10x1.9 63x3.1 31x3.5 75x5.7 200x5.7 265x8.6
11x1.9 65x3.1 32x3.5 80x5.7 210x5.7 275x8.6
12x1.9 68x3.1 34x3.5 85x5.7 220x5.7 280x8.6
13x1.9 70x3.1 35x3.5 90x5.7 230x5.7 290x8.6
14x1.9 75x3.1 36x3.5 95x5.7 240x5.7 295x8.6
14x2.4 80x3.1 38x3.5 100x5.7 250x5.7 300x8.6
15x2.4 85x3.1 40x3.5 105x5.7 260x5.7 305x8.6
16x2.4 90x3.1 41x3.5 110x5.7 270x5.7 315x8.6
18x2.4 95x3.1 42x3.5 115x5.7 280x5.7 320x8.6
19x2.4 100x3.1 44x3.5 120x5.7 290x5.7 330x8.6
20x2.4 105x3.1 45x3.5 125x5.7 300x5.7 335x8.6
22x2.4 110x3.1 46x3.5 130x5.7 170x8.6 350x8.6
24x2.4 115x3.1 48x3.5 135x5.7 175x8.6 355x8.6
25x2.4 120x3.1 50x3.5 140x5.7 180x8.6 360x8.6
26x2.4 125x3.1 51x3.5 145x5.7 185x8.6 370x8.6
28x3.1 130x3.1 54x3.5 150x5.7 190x8.6 375x8.6
30x3.1 135x3.1 55x3.5 155x5.7 195x8.6 380x8.6
32x3.1 140x3.1 56x3.5 160x5.7 200x8.6 390x8.6
35x3.1 145x3.1 50x5.7 165x5.7 205x8.6 395x8.6
38x3.1 150x3.1 51x5.7 170x5.7 210x8.6 400x8.6
220x8.6 415x8.6
225x8.6 420x8.6
230x8.6 460x8.6
235x8.6 500x8.6
