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SBK 1218 is a medium-density tin bronze sintered bearing material per JIS Z 2550. Balanced strength and oil retention for general bronze bearing applications.
| Element | Content |
|---|---|
| Cu | Balance |
| Sn | 9–11% |
| C | < 0.2% |
| Other | — |
| Property | Value |
|---|---|
| Density | 6.8–7.2 g/cm³ |
| Hardness | HRH 60–80 |
| Radial Crushing Strength K | ≥ 170 N/mm² |
Comparable Standards: ISO 5755 P4012Z / DIN SINT-B50.
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