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|
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材质：丁腈橡胶（NBR）
工作温度：-35—+100℃
标注示例：公称外径D=20，断面直径d0=2.4的O形圈，
标注为：O形圈20×2.4 GB1235-76
结构型式：
|
|
公称外径
D
|
公称内径
d
|
断面直径d0
|
实
际 内 径
|
|
公称外径
D
|
公称内径
d
|
断面直径d0
|
实
际 内 径
|
|
d1
|
公 差
|
d1
|
公 差
|
|
5
|
2
|
1.9±0.08
|
1.7
|
±0.12
|
80
|
70
|
5.7±0.14
|
69.4
|
±0.40
|
|
6
|
3
|
2.7
|
85
|
75
|
74.4
|
|
7
|
4
|
3.7
|
90
|
80
|
79.4
|
|
8
|
5
|
4.7
|
95
|
85
|
84.4
|
|
9
|
6
|
5.7
|
100
|
90
|
89.4
|
|
10
|
7
|
6.7
|
105
|
95
|
94.4
|
|
11
|
8
|
7.7
|
110
|
100
|
99.4
|
|
12
|
9
|
8.7
|
115
|
105
|
104.4
|
|
13
|
10
|
9.7
|
120
|
110
|
109.4
|
±0.50
|
|
(14)
|
11
|
10.7
|
125
|
115
|
114.4
|
|
14
|
10
|
2.4±0.09
|
9.6
|
±0.13
|
130
|
120
|
119.4
|
|
15
|
11
|
10.6
|
135
|
125
|
124.4
|
|
16
|
12
|
11.6
|
140
|
130
|
129.4
|
|
18
|
14
|
13.6
|
145
|
135
|
134.4
|
|
19
|
15
|
14.6
|
150
|
140
|
139.4
|
|
20
|
16
|
15.6
|
155
|
145
|
144.4
|
|
22
|
18
|
17.6
|
160
|
150
|
149.4
|
|
24
|
20
|
19.6
|
165
|
155
|
154.3
|
±0.80
|
|
25
|
21
|
20.6
|
170
|
160
|
159.3
|
|
26
|
22
|
21.6
|
175
|
165
|
164.3
|
|
28
|
23
|
3.1±0.10
|
22.5
|
±0.20
|
180
|
170
|
169.3
|
|
30
|
25
|
24.5
|
185
|
175
|
174.3
|
|
32
|
27
|
26.5
|
190
|
180
|
179.3
|
|
35
|
30
|
29.5
|
195
|
185
|
184.3
|
|
37
|
32
|
31.5
|
200
|
190
|
189.3
|
|
40
|
35
|
34.5
|
205
|
195
|
194.3
|
|
45
|
40
|
39.5
|
210
|
200
|
199.3
|
|
50
|
45
|
44.5
|
220
|
210
|
209.3
|
|
55
|
50
|
49.5
|
230
|
220
|
219.3
|
|
60
|
55
|
54.5
|
±0.40
|
240
|
230
|
229.3
|
|
63
|
58
|
57.5
|
250
|
240
|
239.3
|
|
65
|
60
|
59.5
|
260
|
250
|
249.3
|
±0.10
|
|
68
|
63
|
62.5
|
270
|
260
|
259.3
|
|
70
|
65
|
64.5
|
280
|
270
|
269.3
|
|
75
|
70
|
69.5
|
290
|
280
|
279.3
|
|
80
|
75
|
74.5
|
300
|
290
|
289.3
|
|
85
|
80
|
79.5
|
170
|
155
|
8.6±0.16
|
154.1
|
±0.80
|
|
90
|
85
|
84.5
|
175
|
160
|
159.1
|
|
95
|
90
|
89.5
|
180
|
165
|
164.1
|
|
100
|
95
|
94.5
|
185
|
170
|
169.1
|
|
105
|
100
|
99.5
|
190
|
175
|
174.1
|
|
110
|
105
|
104.5
|
195
|
180
|
179.1
|
|
115
|
110
|
109.5
|
±0.50
|
200
|
185
|
184.1
|
|
120
|
115
|
114.5
|
205
|
190
|
189.1
|
|
125
|
120
|
119.5
|
210
|
195
|
194.1
|
|
130
|
125
|
124.5
|
215
|
200
|
199.1
|
|
140
|
135
|
134.5
|
220
|
205
|
204.1
|
|
145
|
140
|
139.5
|
225
|
210
|
209.1
|
|
150
|
145
|
144.5
|
230
|
215
|
214.1
|
|
155
|
150
|
149.5
|
235
|
220
|
219.1
|
|
160
|
155
|
154.5
|
240
|
225
|
224.1
|
|
165
|
160
|
159.5
|
245
|
230
|
229.1
|
|
28
|
22
|
3.5±0.11
|
21.6
|
±0.20
|
250
|
235
|
234.1
|
|
30
|
24
|
23.6
|
255
|
240
|
239.1
|
|
31
|
25
|
24.6
|
260
|
245
|
244.1
|
±1.00
|
|
32
|
26
|
25.6
|
265
|
250
|
249.1
|
|
34
|
28
|
27.6
|
275
|
260
|
259.1
|
|
35
|
29
|
28.6
|
280
|
265
|
264.1
|
|
36
|
30
|
29.6
|
290
|
275
|
274.1
|
|
38
|
32
|
31.6
|
295
|
280
|
279.1
|
|
40
|
34
|
33.6
|
300
|
285
|
284.1
|
|
41
|
35
|
34.6
|
305
|
290
|
289.1
|
|
42
|
36
|
35.6
|
315
|
300
|
299.3
|
|
44
|
38
|
37.6
|
320
|
305
|
304.3
|
|
45
|
39
|
38.6
|
330
|
315
|
314.3
|
|
46
|
40
|
39.6
|
335
|
320
|
319.3
|
|
48
|
42
|
41.6
|
350
|
335
|
334.3
|
|
50
|
44
|
43.6
|
355
|
340
|
339.3
|
|
51
|
45
|
44.6
|
360
|
345
|
344.3
|
|
54
|
48
|
47.6
|
370
|
355
|
354.3
|
|
55
|
49
|
48.6
|
375
|
360
|
359.3
|
|
56
|
50
|
49.6
|
380
|
365
|
364.3
|
|
(50)
|
40
|
5.7±0.14
|
39.4
|
±0.40
|
390
|
375
|
374.3
|
|
(55)
|
45
|
| | | |
