Beijing Silk Road Enterprise Management Services Co.,LTD
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000000 Piece/ per Month |
| Delivery Time | 10-15 working days |
| Packaging Details | Wooden cases standard export package |
| Material | Al2O3v Ceramic |
| Density | 3.70-3.99 g/cm3 |
| Grad | G5-G200 |
| HV Hardness | 1800 HRC |
| Coefficient of expansion | 9.1 10^-6/℃ |
| The highest temperature | 1500℃ |
| Brand Name | OEM |
| Certification | ISO 16949 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000000 Piece/ per Month |
| Delivery Time | 10-15 working days | Packaging Details | Wooden cases standard export package |
| Material | Al2O3v Ceramic | Density | 3.70-3.99 g/cm3 |
| Grad | G5-G200 | HV Hardness | 1800 HRC |
| Coefficient of expansion | 9.1 10^-6/℃ | The highest temperature | 1500℃ |
| Brand Name | OEM | Certification | ISO 16949 |
| Place of Origin | CHINA | ||
| High Light | 1100℃ Ceramic Ball Bearings ，1800 HRC Ceramic Ball Bearings ，3.99 g/cm3 Ceramic Ball Bearings | ||
Al2O3 Ceramic Ball
Al2O3 Ceramic Ball at routine temperature has the super rigidity. At 1100℃, the rigidity and intension could not be changed, whose density is 3.7-3.99g/cm3, the rigidity is higher than ZrO2, but the anti-bend intension and rupture toughness is lower than ZrO2.
| Staple Material and Manufacturing Presision | ||||
| Ceramic Balls | Plastic balls | Glass Balls | Stainless Balls | |
| meterial | ZrO2,Si3N4,SiC,Al2O3 | POM,PE,PP,PA,UPE,PEEK | GLASS | 440C,304,316,316L |
| grad | G5-G200 | G100-G1000 | G100-G1000 | G10-G200 |
| Staple size of 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 | |
| 3/16" | 4.763 | 7/32" | 5.556 | |
| 1/4" | 6.35 | 17/64" | 6.747 | |
| 7 | 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 | 1/2" | 12.7 | |
| 17/32" | 13.494 | 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 | 1-3/16" | 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 | |
| Tolerance and surface roughness of the balls | |||
| Grade | Variation of ball diameter | Deviation from ( △ Sph) | Surface roughness spherical from(Ra) |
| not over μ m | |||
| 3 | 0.08 | 0.08 | 0.012 |
| 5 | 0.13 | 0.13 | 0.02 |
| 10 | 0.25 | 0.25 | 0.025 |
| 16 | 0.4 | 0.4 | 0.032 |
| 20 | 0.5 | 0.5 | 0.04 |
| 28 | 0.7 | 0.7 | 0.05 |
| 40 | 1 | 1 | 0.08 |
| 60 | 1.5 | 1.5 | 0.1 |
| 100 | 2.5 | 2.5 | 0.125 |
| 200 | 5 | 5 | 0.2 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent
Year Established:
2009
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Beijing Silk Road Enterprise Management Services Co.,LTD is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing... Beijing Silk Road Enterprise Management Services Co.,LTD is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing...
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