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::::公差等级表/ 公差等级表 / /重量换算表:::: |
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材料对照表 |
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材料对照表 |
|
国家 |
标准 |
轴承钢 |
碳素钢 |
不锈钢 |
|
中国 |
GB |
GCr15 |
10 |
15 |
45 |
85 |
1Cr18Ni9 |
0Cr19Ni 9 |
0Cr17Ni
12Mo2 |
3Cr13 |
9Cr18 |
|
美国 |
AISI |
E52100 |
1010 |
1015 |
1045 |
1084 |
302 |
304 |
316 |
420 |
440C |
|
日本 |
JIS |
SUJ2 |
S9CK |
S15CK |
S45C |
SUP3 |
SUS302 |
SUS304 |
SUS316 |
SUS420J2 |
SUS440C |
|
德国 |
DIN |
100Cr6 |
CK10 |
CK15 |
CK45 |
|
X12CrNi
188 |
X5CrNi189 |
X5CrNi
Mn18 |
X30Cr13 |
|
|
1.3505 |
|
|
|
|
1.4300 |
1.4301 |
10
(1.4401) |
1.4028 |
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公差等级表 |
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公差等级及技术要求 |
|
等级 |
球直径变动量 |
球形偏差 |
球场表面粗糙度 |
批直径变动量 |
基本直径公差 |
|
Vdws |
△Sph |
Ra |
Vdwl |
Tdn |
|
不超过 |
|
um |
|
10 |
0.25 |
0.25 |
0.025 |
0.5 |
* |
|
16 |
0.4 |
0.40 |
0.032 |
0.8 |
* |
|
20 |
0.5 |
0.50 |
0.04 |
1 |
* |
|
28 |
0.7 |
0.70 |
0.05 |
1.4 |
* |
|
40 |
1.0 |
1.00 |
0.08 |
2 |
* |
|
60 |
1.5 |
1.50 |
0.10 |
3 |
* |
|
100 |
2.5 |
2.50 |
0.125 |
5 |
±12.5 |
|
200 |
5 |
5 |
0.2 |
10 |
± 25 |
|
500 |
13 |
13 |
* |
25 |
± 50 |
|
1000 |
25 |
25 |
* |
50 |
±125 |
|
*表示不用 |
|
|
钢球直径 |
每万粒钢球 |
每千克钢球 |
|
mm in |
重（kg） |
个数(近似) |
|
0.5000 |
0.0051 |
1960780 |
|
0.6800 |
0.0128 |
781250 |
|
0.8000 |
0.0209 |
478470 |
|
1.0000 |
0.0408 |
245100 |
|
1.2000 |
0.0705 |
141840 |
|
1.3000 |
0.0893 |
111980 |
|
1.4500 |
0.124 |
80645 |
|
1.588 1/16 |
0.160 |
62350 |
|
1.7500 |
0.218 |
45871 |
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2.0000 |
0.326 |
30700 |
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2.3812 3/32 |
0.550 |
18182 |
|
2.5000 |
0.637 |
15698 |
|
3.0000 |
1.100 |
9091 |
|
3.175 1/8 |
1.310 |
7634 |
|
3.5000 |
1.750 |
5717 |
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3.9690 5/32 |
2.550 |
3922 |
|
4.0000 |
2.610 |
3831 |
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4.7625 3/16 |
4.410 |
2268 |
|
5.0000 |
5.100 |
1961 |
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5.1594 13/64 |
5.600 |
1786 |
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5.5562 7/32 |
6.990 |
1431 |
|
5.9531 15/64 |
8.600 |
1163 |
|
6.0000 |
8.810 |
1136 |
|
6.35 1/4 |
10.400 |
962 |
|
6.5000 |
11.190 |
894 |
|
6.7469 17/64 |
12.500 |
800 |
|
7.1438 7/32 |
14.900 |
671 |
|
7.9375 5/16 |
20.400 |
490 | |
|
钢球直径 |
每万粒钢球 |
每千克钢球 |
|
mm in |
重（kg） |
个数(近似) |
|
8.0000 |
2.09 |
478 |
|
8.5000 |
2.50 |
400 |
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8.731 11/32 |
2.71 |
369 |
|
9.0000 |
2.97 |
337 |
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9.525 3/8 |
3.52 |
284 |
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10.0000 |
4.08 |
245 |
|
10.3188 13/32 |
4.48 |
223 |
|
11.0000 |
5.42 |
185 |
|
11.1125 7/16 |
5.60 |
179 |
|
11.5000 |
6.22 |
161 |
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11.5094 29/64 |
6.22 |
161 |
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11.9062 15/32 |
6.88 |
145 |
|
12.0000 |
7.04 |
142 |
|
12.3031 31/64 |
7.60 |
132 |
|
12.7 1/2 |
8.35 |
120 |
|
13.4938 17/32 |
10.00 |
100 |
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14.0000 |
11.18 |
89 |
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14.2875 9/16 |
11.90 |
84 |
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15.0812 19/32 |
14.00 |
71.40 |
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15.875 5/8 |
16.30 |
61.30 |
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16.0000 |
1 6.69 |
59.90 |
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16.6688 21/32 |
18.90 |
52.90 |
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17.0000 |
20.02 |
50.00 |
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17.4625 11/16 |
21.70 |
46.10 |
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18.2562 23/32 |
24.80 |
40.30 |
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19.0000 |
27.96 |
35.77 |
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19.05 3/4 |
28.20 |
35.50 |
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19.9438 25/32 |
31.90 |
31.40 |
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|
钢球直径 |
1000个钢球 |
每千克钢球 |
|
mm in |
重（kg） |
个数(近似) |
|
20.637 13/16 |
35.80 |
27.90 |
|
21.0000 |
37.75 |
26.49 |
|
21.4313 27/32 |
40.10 |
24.90 |
|
22.225 7/8 |
44.80 |
22.30 |
|
23.0000 |
49.59 |
20.17 |
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23.0188 29/32 |
49.80 |
20.10 |
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23.8125 15/16 |
55.10 |
18.20 |
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24.0000 |
56.34 |
17.75 |
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24.6063 31 /32 |
60.80 |
16.50 |
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25.0000 |
63.68 |
15.70 |
|
25.4 1' |
66.80 |
15.00 |
|
26.1938 11/32 |
73.30 |
13.64 |
|
26.9875 11/16 |
80.20 |
12.47 |
|
27.7812 13/32 |
87.40 |
11.40 |
|
28.0000 |
89.47 |
11.18 |
|
28.575 1 1/8 |
95.20 |
10.50 |
|
30.1625 1 3/16 |
112.00 |
8.93 |
|
31.75 1 1/4 |
130.60 |
7.66 |
|
33.3375 1 5/16 |
151.10 |
6.62 |
|
34.925 1 3/8 |
173.80 |
5.75 |
|
36.5125 1 7/16 |
198.60 |
5.04 |
|
38.1 1 1/2 |
225.60 |
4.43 |
|
40.0000 |
261.10 |
3.83 |
|
41.275 1 5/8 |
286.80 |
3.49 |
|
42.8625 1 11/46 |
321.20 |
3.11 |
|
44.45 1 3/4 |
358.20 |
2.79 |
|
47.625 1 7/8 |
440.60 |
2.27 |
|
50.8 2' |
534.70 |
1.87 |
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规值 |
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批直径变动量及常用规值、分规值 |
|
等级 |
批直经变动量 |
规直间距 |
常用规值 |
分规值 |
分规值 |
|
um |
|
10 |
0.5 |
1 |
-9,…,-1,0,+1,…,+9 |
0.2 |
-0.4,-0.2,0,+0.2,+0.4 |
|
16 |
0.8 |
2 |
-10,…,-2,0,+2,…,+10 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
20 |
1 |
2 |
-10,…,-2,0,+2,…,+10 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
28 |
1.1 |
2 |
-12,…,-2,0,+2,…,+12 |
0.4 |
-0.8,-0.4,0,+0.4,+0.8 |
|
40 |
2 |
4 |
-16,…,-4,0,+4,…,+16 |
0.8 |
-1.6,-0.8,0,+0.8,+1.6 |
|
60 |
3 |
5 |
-20,…,-5,0,+5,…,+20 |
1 |
-2,-1,0,+1,+2 | |
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