孔用弹性挡圈-B型 （摘自GB 893.2-86）
孔径的d0=20～200mm的B型孔用弹性挡圈。
标记示例:
孔径d0=40、材料65Mn、热处理HRC47～54、经表面氧化处理的B型孔用m性挡圈的标记：
挡圈 GB 893.2 40
孔径的d0=20～200mm的B型孔用弹性挡圈：
孔径
d0
|
挡 圈
|
沟 槽（推荐）
|
轴
d3
≤
|
D
|
S
|
d1
|
d2
|
m
|
n
≥
|
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
|
20
|
21.5
|
+0.42
-0.13
|
1
|
+0.05
-0.13
|
2
|
21
|
+0.13
0
|
1.1
|
+0.14
0
|
1.5
|
10
|
21
|
22.5
|
+0.42
-0.13
|
1
|
+0.05
-0.13
|
2
|
22
|
+0.13
0
|
1.1
|
+0.14
0
|
1.5
|
11
|
22
|
23.5
|
+0.42
-0.13
|
1
|
+0.05
-0.13
|
2
|
23
|
+0.13
0
|
1.1
|
+0.14
0
|
1.5
|
12
|
24
|
25.9
|
+0.42
-0.21
|
1.2
|
+0.05
-0.13
|
2
|
25.2
|
+0.21
0
|
1.3
|
+0.14
0
|
1.8
|
13
|
25
|
26.9
|
+0.42
-0.21
|
1.2
|
+0.05
-0.13
|
2
|
26.2
|
+0.21
0
|
1.3
|
+0.14
0
|
1.8
|
14
|
26
|
27.9
|
+0.42
-0.21
|
1.2
|
+0.05
-0.13
|
2
|
27.2
|
+0.21
0
|
1.3
|
+0.14
0
|
1.8
|
15
|
28
|
30.1
|
+0.50
-0.25
|
1.2
|
+0.05
-0.13
|
2
|
29.4
|
+0.25
0
|
1.3
|
+0.14
0
|
2.1
|
17
|
30
|
32.1
|
+0.50
-0.25
|
1.2
|
+0.05
-0.13
|
2
|
31.4
|
+0.25
0
|
1.3
|
+0.14
0
|
2.1
|
18
|
31
|
33.4
|
+0.50
-0.25
|
1.2
|
+0.05
-0.13
|
2.5
|
32.7
|
+0.25
0
|
1.3
|
+0.14
0
|
2.6
|
19
|
32
|
34.4
|
+0.50
-0.25
|
1.2
|
+0.05
-0.13
|
2.5
|
33.7
|
+0.25
0
|
1.3
|
+0.14
0
|
2.6
|
20
|
34
|
36.5
|
+0.50
-0.25
|
1.5
|
+0.06
-0.15
|
2.5
|
35.7
|
+0.25
0
|
1.7
|
+0.14
0
|
2.6
|
22
|
35
|
37.8
|
+0.50
-0.25
|
1.5
|
+0.06
-0.15
|
2.5
|
37
|
+0.25
0
|
1.7
|
+0.14
0
|
3
|
23
|
36
|
38.8
|
+0.50
-0.25
|
1.5
|
+0.06
-0.15
|
2.5
|
38
|
+0.25
0
|
1.7
|
+0.14
0
|
3
|
24
|
37
|
39.8
|
+0.50
-0.25
|
1.5
|
+0.06
-0.15
|
2.5
|
39
|
+0.25
0
|
1.7
|
+0.14
0
|
3
|
25
|
38
|
40.8
|
+0.50
-0.25
|
1.5
|
+0.06
-0.15
|
2.5
|
40
|
+0.25
0
|
1.7
|
+0.14
0
|
3
|
26
|
40
|
43.5
|
+0.90
-0.39
|
1.5
|
+0.06
-0.15
|
2.5
|
42.5
|
+0.25
0
|
1.7
|
+0.14
0
|
3.8
|
27
|
42
|
45.5
|
+0.90
-0.39
|
1.5
|
+0.06
-0.15
|
3
|
44.5
|
+0.25
0
|
1.7
|
+0.14
0
|
3.8
|
29
|
45
|
48.5
|
+0.90
-0.39
|
1.5
|
+0.06
-0.15
|
3
|
47.5
|
+0.25
0
|
1.7
|
+0.14
0
|
3.8
|
31
|
47
|
50.5
|
+0.10
-0.46
|
1.5
|
+0.06
-0.15
|
3
|
49.5
|
+0.25
0
|
1.7
|
+0.14
0
|
3.8
|
32
|
48
|
51.5
|
+0.10
-0.46
|
1.5
|
+0.06
-0.15
|
3
|
50.5
|
+0.30
0
|
1.7
|
+0.14
0
|
3.8
|
33
|
50
|
54.2
|
+0.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
53
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
36
|
52
|
56.2
|
+0.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
55
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
38
|
55
|
59.2
|
+0.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
58
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
40
|
56
|
60.2
|
+0.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
59
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
41
|
58
|
62.2
|
+0.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
61
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
43
|
60
|
64.2
|
+0.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
63
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
44
|
62
|
66.2
|
+1.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
65
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
45
|
63
|
67.2
|
+1.10
-0.46
|
2
|
+0.06
-0.18
|
3
|
66
|
+0.30
0
|
2.2
|
+0.14
0
|
4.5
|
46
|
65
|
69.2
|
+1.10
-0.46
|
2.5
|
+0.07
-0.22
|
3
|
68
|
+0.30
0
|
2.7
|
+0.14
0
|
4.5
|
48
|
68
|
72.5
|
+1.10
-0.46
|
2.5
|
+0.07
-0.22
|
3
|
71
|
+0.30
0
|
2.7
|
+0.14
0
|
4.5
|
50
|
70
|
74.5
|
+1.10
-0.46
|
2.5
|
+0.07
-0.22
|
3
|
73
|
+0.30
0
|
2.7
|
+0.14
0
|
4.5
|
53
|
72
|
76.5
|
+1.10
-0.46
|
2.5
|
+0.07
-0.22
|
3
|
75
|
+0.30
0
|
2.7
|
+0.14
0
|
4.5
|
55
|
75
|
79.5
|
+1.10
-0.46
|
2.5
|
+0.07
-0.22
|
3
|
78
|
+0.30
0
|
2.7
|
+0.14
0
|
4.5
|
56
|
78
|
82.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
81
|
+0.35
0
|
2.7
|
+0.14
0
|
4.5
|
60
|
80
|
85.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
83.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
63
|
82
|
87.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
85.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
65
|
85
|
90.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
88.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
68
|
88
|
93.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
91.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
70
|
90
|
95.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
93.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
72
|
92
|
97.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
95.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
73
|
95
|
100.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
98.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
75
|
98
|
103.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
101.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
78
|
100
|
105.5
|
+1.30
-0.54
|
2.5
|
+0.07
-0.22
|
3
|
103.5
|
+0.35
0
|
2.7
|
+0.14
0
|
5.3
|
80
|
102
|
108
|
+1.30
-0.54
|
3
|
+0.07
-0.22
|
4
|
106
|
+0.54
0
|
3.2
|
+0.18
0
|
6
|
82
|
105
|
112
|
+1.30
-0.54
|
3
|
+0.07
-0.22
|
4
|
109
|
+0.54
0
|
3.2
|
+0.18
0
|
6
|
83
|
108
|
115
|
+1.30
-0.54
|
3
|
+0.07
-0.22
|
4
|
112
|
+0.54
0
|
3.2
|
+0.18
0
|
6
|
86
|
110
|
117
|
+1.30
-0.54
|
3
|
+0.07
-0.22
|
4
|
114
|
+0.54
0
|
3.2
|
+0.18
0
|
6
|
88
|
112
|
119
|
+1.30
-0.54
|
3
|
+0.07
-0.22
|
4
|
116
|
+0.54
0
|
3.2
|
+0.18
0
|
6
|
89
|
115
|
122
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
119
|
+0.54
0
|
3.2
|
+0.18
0
|
6
|
90
|
120
|
127
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
124
|
+1.50
-0.63
|
3.2
|
+0.18
0
|
6
|
95
|
125
|
132
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
129
|
+1.50
-0.63
|
3.2
|
+0.18
0
|
6
|
100
|
130
|
137
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
134
|
+1.50
-0.63
|
3.2
|
+0.18
0
|
6
|
105
|
135
|
142
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
139
|
+0.63
0
|
3.2
|
+0.18
0
|
6
|
110
|
140
|
147
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
144
|
+0.63
0
|
3.2
|
+0.18
0
|
6
|
115
|
145
|
152
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
149
|
+0.63
0
|
3.2
|
+0.18
0
|
6
|
118
|
150
|
158
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
155
|
+0.63
0
|
3.2
|
+0.18
0
|
7.5
|
121
|
155
|
164
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
160
|
+0.63
0
|
3.2
|
+0.18
0
|
7.5
|
125
|
160
|
169
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
165
|
+0.63
0
|
3.2
|
+0.18
0
|
7.5
|
130
|
165
|
174.5
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
170
|
+0.63
0
|
3.2
|
+0.18
0
|
7.5
|
136
|
170
|
179.5
|
+1.50
-0.63
|
3
|
+0.07
-0.22
|
4
|
175
|
+0.63
0
|
3.2
|
+0.18
0
|
7.5
|
140
|
175
|
184.5
|
+1.70
-0.72
|
3
|
+0.07
-0.22
|
4
|
180
|
+0.63
0
|
3.2
|
+0.18
0
|
7.5
|
142
|
180
|
189.5
|
+1.70
-0.72
|
3
|
+0.07
-0.22
|
4
|
185
|
+0.72
0
|
3.2
|
+0.18
0
|
7.5
|
145
|
185
|
194.5
|
+1.70
-0.72
|
3
|
+0.07
-0.22
|
4
|
190
|
+0.72
0
|
3.2
|
+0.18
0
|
7.5
|
150
|
190
|
199.5
|
+1.70
-0.72
|
3
|
+0.07
-0.22
|
4
|
195
|
+0.72
0
|
3.2
|
+0.18
0
|
7.5
|
155
|
195
|
204.5
|
+1.70
-0.72
|
3
|
+0.07
-0.22
|
4
|
200
|
+0.72
0
|
3.2
|
+0.18
0
|
7.5
|
157
|
200
|
209.5
|
+1.70
-0.72
|
3
|
+0.07
-0.22
|
4
|
205
|
+0.72
0
|
3.2
|
+0.18
0
|
7.5
|
165
|
