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Ceramic Balls/Plastic Balls/Glass Balls/Stainless Balls >>
Bearings
Martensite Stainless Bearings
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| Cerami balls | Plastic balls | Glass balls | Stainless balls | |
| Material | ZrO2,Si3N4,SiC,Al2O3 | POM,PA,PE,UPE,PEEK,PP | Glass | 440C,316L,316,314 |
| Grade | G5-G200 | G100-G1000 | G100-G1000 | G10-G200 |
Tolerance And Surface Roughness of the Balls:
| Grade | Variation of | Deviation | Surface Roughness | |
| ball diameter | from | Spherical | Diameter | |
| (Vdws) | (△Sph) | from(Ra) | Tolerance(Tdn) | |
| Not over,μm | ||||
| G3 | 0.08 | 0.08 | 0.012 | * |
| G5 | 0.13 | 0.13 | 0.02 | * |
| G10 | 0.25 | 0.25 | 0.025 | * |
| 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 |
Staple Size Of The Balls
| Size(inch) | Size(mm) | Size(inch) | Size(mm) |
| 15 | 19/32" | 15.081 | |
| 1/16" | 1.588 | 5/8" | 15.875 |
| 2 | 21/32" | 16.669 | |
| 3/32" | 2.381 | 3/4" | 19.05 |
| 1/8" | 3.175 | 25/32" | 19.844 |
| 5/32" | 3.969 | 20 | |
| 3/16" | 4.763 | 13/16" | 20.638 |
| 7/32" | 5.556 | 7/8" | 22.225 |
| 1/4" | 6.35 | 15/16" | 23.812 |
| 17/64" | 6.747 | 1" | 25.4 |
| 7 | 1-1/16" | 26.988 | |
| 9/32" | 7.144 | 1-1/8" | 28.575 |
| 5/16" | 7.938 | 1-3/16" | 30.163 |
| 11/32" | 8.731 | 1-1/4" | 31.75 |
| 3/8" | 9.525 | 1-3/8" | 34.925 |
| 13/32" | 10.319 | 35 | |
| 7/16" | 11.112 | 1-1/2" | 38.1 |
| 29/64" | 11.509 | 1-5/8" | 41.275 |
| 31/64" | 12.303 | 1-11/16" | 42.863 |
| 1/2" | 12.7 | 1-7/8" | 47.625 |
| 9/16" | 14.288' | 2" | 50.8 |