CHANGZHOU WUJIN SUNAN BEARING CO.,LTD
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bearing steel balls stainless steel balls AISI440 Φ12.7mm / AISI304 Φ10mm steel balls for bearings
Specifications:
bearing steel balls stainless steel balls AISI440 Φ12.7mm / AISI304 Φ10mm steel balls for bearings
Description:
|
Ball diameter (mm) |
Quantity per kilogram |
Ball diameter |
Quantity per kilogram |
Ball diameter |
Quantity per kilogram |
|
2.0000 |
30700 |
9.0000 |
337 |
19.0000 |
35.77 |
|
2.3812 3/32 |
18182 |
9.5250 3/8 |
284 |
19.0500 3/4 |
35.5 |
|
2.5000 |
15698 |
10.0000 |
245 |
19.8438 25/32 |
31.4 |
|
3.0000 |
9091 |
10.3188 13/32 |
223 |
20.637013/16 |
27.9 |
|
3.1750 1/8 |
7634 |
11.0000 |
185 |
21.0000 |
26.49 |
|
3.5000 |
5717 |
11.1125 7/16 |
179 |
21.4313 27/32 |
24.9 |
|
3.9688 5/32 |
3922 |
11.5000 |
161 |
22.2250 7/8 |
22.3 |
|
4.0000 |
3831 |
11.5094 29/64 |
161 |
23.0000 |
20.17 |
|
4.7625 3/16 |
2268 |
11.9062 15/32 |
145 |
23.0188 29/32 |
20.1 |
|
5.0000 |
1961 |
12.0000 |
142 |
23.8125 15/16 |
18.2 |
|
5.1594 13/64 |
1786 |
12.303131 /64 |
132 |
24.0000 |
17.75 |
|
5.5562 7/32 |
1431 |
12.7000 1/2 |
120 |
24.6063 31/32 |
16.5 |
|
5.9531 15/64 |
1163 |
13.4938 17/32 |
100 |
25.0000 |
15.70 |
|
6.0000 |
1136 |
14.0000 |
89 |
25.40000 1 |
15 |
|
6.3500 1/4 |
962 |
14.2875 9/16 |
84.0 |
26.9875 1'/32 |
13.64 |
|
6.5000 |
894 |
15.0812 19/32 |
71.4 |
26.9875 1'/16 |
12.47 |
|
6.7469 17/64 |
800 |
14.8750 5/8 |
61.3 |
27.7812 1'/32 |
11.4 |
|
7.1438 9/32 |
671 |
16.0000 |
59.9 |
28.0000 |
11.18 |
|
7.9372 5/16 |
490 |
16.6688 21/32 |
52.9 |
28.5750 1'/8 |
10.50 |
|
8.0000 |
478 |
17.0000 |
50 |
30.1625 1'/16 |
8.93 |
|
8.5000 |
400 |
17.4625 11/16 |
46.1 |
|
|
|
8.7312 11/32 |
369 |
18.2562 23/32 |
40.3 |
|
|
Applications:
Steel balls are important component of bearings, and are also most widely used rolling body in bearings field. The quality directly affect the bearings character.
Tolerance level and technical requirements:
|
Grade
|
Ball diameter variation |
Spherical deviation |
Ball surface roughness |
Ball diameter variation |
Basic diameter tolerance |
|
Vdws |
△Sph |
Ra |
Vdwl |
Tdn |
|
|
No more than (um) |
|||||
|
10 |
0.25 |
0.25 |
0.025 |
0.5 |
* |
|
16 |
0.4 |
0.4 |
0.032 |
0.8 |
* |
|
20 |
0.5 |
0.5 |
0.05 |
1 |
* |
|
28 |
0.7 |
0.7 |
0.05 |
1.5 |
* |
|
40 |
1.0 |
1.0 |
0.08 |
2 |
* |
|
60 |
1.5 |
1.5 |
0.10 |
3 |
* |
|
100 |
2.5 |
2.5 |
0.125 |
5 |
±12.5 |
|
200 |
5 |
5 |
0.2 |
10 |
±25 |
|
500 |
13 |
13 |
* |
25 |
±50 |
|
1000 |
25 |
25 |
* |
50 |
±125 |