Hunan Wa Fangdian bearing Manufacturing Co., Ltd. provides ball products
Hunan Wa Fangdian Bearing Manufacturing Co., Ltd. supplies various types of ball products, including ceramic balls, plastic balls, glass balls and stainless steel balls. The following are commonly used materials and their applicable accuracy levels:
| |
Ceramic balls |
Plastic balls |
Glass balls |
Stainless steel ball |
| Material |
Zro2，Si3N4，SIC，Al203 |
POM，PA，PE，UPE，PEEK，PP |
GLASS |
440C，304，316，316L |
| Gead |
G5-G200 |
G100-G1000 |
G100-G1000 |
G5-G200 |
Tolerance and surface roughness of the balls：
| Grade |
Variation of Ball diameter V dws |
Devition from(▲Sph) |
Surface roughness(Ra) |
Diameter tolerance |
| Not over,μm |
| G3 |
0.08 |
0.08 |
0.012 |
* |
| G5 |
0.13 |
0.13 |
0.02 |
* |
| G10 |
0.25 |
0.25 |
0.25 |
* |
| G16 |
0.4 |
0.4 |
0.032 |
* |
| G20 |
0.5 |
0.5 |
0.04 |
* |
| G28 |
0.7 |
0.7 |
0.05 |
* |
| G40 |
1 |
1 |
0.08 |
* |
| G60 |
1.5 |
1.5 |
0.1 |
* |
| G100 |
2.5 |
2.5 |
0.125 |
±12.5 |
| G200 |
5 |
5 |
0.2 |
±25 |
| G500 |
13 |
13 |
* |
±50 |
| G100 |
25 |
25 |
* |
±125 |
Staple sizeof the balls：
| Size(inch) |
Size(mm) |
Size(inch) |
Size(mm) |
| |
1.5 |
1/16" |
1.588 |
| |
2 |
3/32 |
2.381 |
| 1/8" |
3.175 |
5/32" |
3.969 |
| 1/4" |
6.35 |
17/64" |
6.747 |
| |
1.5 |
9/32" |
7.144 |
| 5/16" |
7.938 |
11/32" |
8.731 |
| 3/8" |
9.525 |
13/32" |
10.319 |
| 7/16" |
11.112 |
29/64" |
11.509 |
| 15/32" |
11.906 |
|
12 |
| 31/64" |
12.303 |
1/3" |
12.7 |
| 17/32" |
13.094 |
|
14 |
| 9/16" |
14.288 |
19/32" |
15.081 |
| 5/8" |
15.875 |
21/32" |
16.669 |
| 11/16" |
17.463 |
23/32" |
18.256 |
| 3/4" |
19.05 |
25/32" |
19.844 |
| |
20 |
13/16" |
20.638 |
| 7/8" |
22.225 |
15/16" |
23.812 |
| 1" |
25.4 |
1-1/16" |
26.988 |
| 1-1/8" |
28.575 |
2001-3-16 |
30.163 |
| 1-1/4" |
31.75 |
1-3/8" |
34.925 |
| |
35 |
1-1/2" |
38.1 |
| 1-5/8" |
41.275 |
1-11/16" |
42.863 |
| 1-7/8" |
47.625 |
2" |
50.8 |
