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| Introduction | Precision Ceramic Bearings | Precision Steal Bearings | Ceramic Balls & Cemented Carbide Balls | Ceramic Knifves | Standard | Contact Us | Chinese |
| THE STANDARD
OF "DAYOU" CERAMIC BALLS |
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| Grade(G) |
Variation
of ball diameter(Vdws) |
Deviation
from spherical form(¡÷Sph) |
Surface roughness(Ra) |
| Less than
(¦Ìm) |
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| 2 |
0.05 |
0.05 |
0.005 |
| 3 |
0.08 |
0.08 |
0.010 |
| 5 |
0.13 |
0.13 |
0.014 |
| 10 |
0.25 |
0.25 |
0.020 |
| 16 |
0.4 |
0.4 |
0.025 |
| 20 |
0.5 |
0.5 |
0.032 |
| 28 |
0.7 |
0.7 |
0.05 |
| 40 |
1 |
1 |
0.06 |
| 60 |
1.5 |
1.5 |
0.08 |
| 100 |
2.5 |
2.5 |
0.10 |
| 200 |
5 |
5 |
0.15 |
| Note: Welcome to contact
with us if you need the detailed date. |
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¡°DAYOU¡±standards is established under
the GB standards. |
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