1. steel ball
2. Hardness of steel ball: 60-66HRC
3. Size: 1.588-25.4mm
4. Grade: 3-200.
Additional Service:
1. Customer OEM or ODM is available;
2. Welcome for factory visiting for direct discussing;
3. FOB Guangzhou / Shanghai / Qingdao or CFR / CIF are available;
4. Good quality, favorable price and strong service backup;
5. Certificate of Origin / Form-E / Form-A available for customs clearance;
6. Professional consulting is available from Mr. Z. Y. Ding Factory Director;
Grade |
Grade |
Diameter availale(Dw) |
Diameter tolerance |
Diameter tolerance |
Lot diameter variation(Vdwl) |
Lot diameter variation(Vdwl) |
Ball diameter variation(Vdws) |
Ball diameter variation(Vdws) |
Deviation from spherical from Sph |
Deviation from spherical from Sph |
Surface roughness(Ra) |
Surface roughness(Ra) |
GB |
ISO |
|
GB |
ISO |
GB |
ISO |
GB |
ISO |
GB |
ISO |
GB |
ISO |
3 |
3 |
1.588-25.4mm |
+/-5.25 |
+/-5.25 |
0.13 |
0.13 |
0.08 |
0.08 |
0.08 |
0.08 |
0.012 |
0.012 |
5 |
5 |
1.588-25.4mm |
+/-5.5 |
+/-5.5 |
0.25 |
0.25 |
0.13 |
0.13 |
0.13 |
0.13 |
0.02 |
0.02 |
10 |
10 |
1.588-25.4mm |
+/-9.5 |
+/-9.5 |
0.5 |
0.5 |
0.25 |
0.25 |
0.25 |
0.25 |
0.025 |
0.025 |
16 |
16 |
1.588-25.4mm |
+/-11 |
+/-11 |
0.8 |
0.8 |
0.4 |
0.4 |
0.4 |
0.4 |
0.032 |
0.032 |
20 |
20 |
1.588-25.4mm |
+/-11 |
+/-11 |
1 |
1 |
0.5 |
0.5 |
0.5 |
0.5 |
0.04 |
0.04 |
28 |
28 |
1.588-25.4mm |
+/-13 |
+/-13 |
1.4 |
1.4 |
0.7 |
0.7 |
0.7 |
0.7 |
0.05 |
0.05 |
40 |
40 |
1.588-25.4mm |
+/-18 |
+/-18 |
2 |
2 |
1 |
1 |
1 |
1 |
0.08 |
0.08 |
60 |
- |
1.588-25.4mm |
+/-22.5 |
- |
3 |
- |
1.5 |
- |
1.5 |
- |
0.1 |
- |
100 |
100 |
1.588-25.4mm |
+/-50 |
+/-50 |
5 |
5 |
2.5 |
2.5 |
2.5 |
2.5 |
0.125 |
0.125 |
200 |
200 |
1.588-25.4mm |
+/-67.5 |
+/-67.5 |
10 |
10 |
5 |
5 |
5 |
5 |
0.2 |
0.2
|