ZHEJIANG TOP BEARINGS CO., LTD.
YOUR TOP PARTERNER FOR PLAIN BEARINGS and ROLLING BEARINGS.
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Bimetal Bearings , Low Carbon Steel Wth CuSn10Pb10
CuSn10Pb10 Bimetal Bearings is backed with high quality low carbon steel with Tin-Lead-Bronze alloy (CuSn10Pb10) sintered on its surface. To effectively decrease abrasion, CuSn10Pb10 Bimetal Bearings' alloy surface can be machined with ball oil sockets for easier oil storage. When necessary, an anti-erosive coating can be plated on the steel back. CuSn10Pb10 Bimetal Bearings can be applied to conditions of mediate load with mediate or high running velocity and conditions with enormous impact load. In mechanical application, CuSn10Pb10 Bimetal Bearings is used to make wrapped bushes, thrust washer and bushes on connecting rod level of gas engine, etc.
Physical and Mechanical Performance
| Performance Index | Data | Performance Index | Data | ||
| Max. Load | 150N/mm² | Mating Axis | Hardness | ≥53 HRC | |
| Linear Velocity | Grease Lubrication | 2.5 m/s | Roughness | Ra=0.13~0.63 | |
| Oil Lubrication | 5 m/s | Max. Working Temperature | Grease Lubrication | 150℃ | |
| Max. PV value | Grease Lubrication | 2.8N/mm²·m/s | Oil Lubrication | 250℃ | |
| Oil Lubrication | 10N/mm²·m/s | Friction Coefficient | 0.05~0.15 | ||
| Anti-tensile Strength | 185 N/mm² | Heat-conducting Coefficient | 47 W/(m*k) | ||
| Alloy hardness | HB 60~90 | Heat-expansion Coefficient | 18*10^-6k | ||
Alloy Chemical Compositions
| Content | Cu | Pb | Sn | Zn | P | Fe | Ni | Sb | Others |
| Remainder | 9-11 | 9-11 | 0.5 | 0.1 | 0.7 | 0.5 | 0.2 | 0.5 |
