SF-1无油轴承尺寸公差表 NDC标准
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SF-1轴套尺寸公差及模具要求一览表(非等同采用NDC标准)
序号外径×内径
NDC 标准
外模尺寸塞规尺寸取板尺寸展长
还原检验模环规止、通
接缝高度
倒角要求相配
轴径座孔公差壁厚公差基准座孔塞规f1±0.1×α±5°f2±0.1×β±5°
1. 5×3
+0.012
5H7 0
1 -0.025
+0.022
5 +0.017
+0.042
3 +0.022
-0.070
1-0.100
13.51
+0.012
5 +0.008
+0.03
3 +0.01
+0.047
5 +0.017
0.2～0.5 0
-0.3
0.5×20°0.5×25°
-0.025
3 -0.035
2. 6×4 6 ＂
1 -0.025
+0.022
6 +0.017
+0.042
4 +0.022
-0.070
1 -0.100
16.65
+0.012
6 +0.008
+0.03
4 +0.01
+0.047
6 +0.017
0.2～0.5
-0.3
0.5×20°0.5×25°
-0.025
4 -0.037
3. 7×5
+0.015
7H7 0
1 -0.025
+0.028
7 +0.023
+0.05
5 +0.03
-0.045
1 -0.070
19.89
+0.012
7 +0.008
+0.03
5 +0.01
+0.053
7 +0.023
0.2～0.5 0
-0.3
0.5×20°0.5×25°
-0.025
5 -0.037
4. 8×6 8 ＂
1 -0.025
+0.028
8 +0.023
+0.055
6 +0.03
-0.045
1 -0.070
23.04
+0.012
8 +0.008
+0.035
6+0.01
+0.053
8 +0.023
0.2～0.5 0
-0.3
0.5×20°0.5×25°
-0.025
6 -0.037
5. 9×7 9＂
1 -0.025
+0.028
9 +0.023
+0.055
7 +0.03
-0.040
1 -0.065
26.19
+0.012
9 + 0.008
+0.035
7 +0.01
+0.053
9 +0.023
0.2～0.5 0
-0.3
0.5×20°0.5×25°
-0.025
7 -0.04
6. 10×8 10 ＂
1 -0.025
+0.028
10 +0.023
+0.055
8 +0.03
-0.040
1 -0.065
29.33
+0.012
10 +0.008
+0.035
8 +0.01
+0.055
10 +0.025
0.2～0.5 0
-0.3
0.5×20°0.5×25°
-0.025
8 -0.04
7. 11×9
+0.018
11H7 0
1 -0.025
+0.03
11 +0.025
+0.057
9 +0.03
-0.015
1-0.04
32.99
+0.015
11 +0.012
+0.035
9 +0.01
+0.06
11 +0.03
0.3～0.6 0
-0.3
0.5×20°0.5×25°
-0.025
9 -0.04
8. 12×10 12 ＂
1 -0.025
+0.03
12 +0.025
+0.057
10 +0.03
-0.015
1 -0.04
36.13
+0.015
12 +0.012
+0.035
10 +0.01
+0.06
12 +0.03
0.3～0.6 0
-0.3
0.5×20°0.5×25°
-0.025
10 -0.04
9. 14×12 14 ＂
1 -0.025
+0.03
14 +0.025
+0.057
12 +0.03
-0.015
1 -0.04
42.41
+0.015
14 +0.012
+0.037
12 +0.01
+0.06
14 +0.03
0.3～0.6 0
-0.3
0.5×20°0.5×25°
-0.025
12 - 0.043
10 15×13 15 ＂
1 -0.025
+0.035
15 +0.030
+0.062
13 +0.035
-0.015
1 -0.04
45.55
+0.015
15 +0.012
+0.037
13 +0.01
+0.063
15 +0.033
0.3～0.6 0
-0.3
0.5×20°0.5×25°
-0.025
13 -0.043
11 16×14 16 ＂
1 -0.025
+0.035
16 +0.030
+0.062
14 +0.035
-0.015
1 -0.04
48.69
+0.015
16 +0.012
+0.037
14 +0.01
+0.063
16 +0.033
0.3～0.8 0
-0.3
0.5×20°0.5×25°
-0.025
14 -0.043
12 17×15 17 ＂
1 -0.025
+0.035
17 +0.030
+0.062
15 +0.035
-0.015
1 -0.04
51.84
+0.015
17 +0.012
+0.037
15 +0.01
+0.073
17 +0.038
0.3～0.8 0
-0.3
0.5×20°0.5×25°
-0.025
15 -0.043
13 18×16 18 ＂
1 -0.025
+0.035
18 +0.030
+0.062
16 +0.035
-0.015
1 -0.04
54.98
+0.015
18 +0.012
+0.037
16 +0.01
+0.073
18 +0.038
0.3～0.8 0
-0.3
0.5×20°0.5×25°
-0.025
16 -0.043
14 19×17
+0.021
19H7 0
1 -0.025
+0.045
19 +0.04
+0.072
17 +0.045
-0.015
1 -0.04
58.12
+0.018
19 +0.015
+0.037
17 +0.01
+0.081
19 +0.046
0.3～0.8 0
-0.3
0.5×20°0.5×25°
-0.025
17 -0.043
15 20×18 20 ＂
1 -0.025
+0.045
20 +0.04
+0.072
18 +0.045
-0.015
1 -0.04
61.26
+0.018
20 + 0.015
+0.037
18 +0.01
+0.081
20 +0.046
0.3～0.8 0
-0.3
0.5×20°0.5×25°
-0.025
18 -0.043