マージナル ベアリング mg-090 青銅製円筒ブッシュの仕様と公差1 2010 年に設立された自己潤滑ベアリングとブッシュの専門メーカーであるマージナル ベアリングは、新しい自己潤滑ベアリング材料の開発と製造に専念しています。
◆ Introduction
MG-090 bronze self-lubricating bearings use a kind of high density bronze alloy of special compositions as backing, the surface of alloy is rolled with diamond pattern of the oil indents or half ball oil indents, this kind of bearing has a higher density, a higher load capacity and a better anti-wear resistant performance. It has been widely used in many fields such as hoist machine, building machinery, machine tool industry and mining machinery.
◆ Chemica Composition
| Chemica Composition | |||
| Material | Cu % | Sn % | P % |
| CuSn8 | Rest | 7.0~9.0 | 0.03~0.45 |
◆Technical Data
| Technical Data | ||||
| MG-090 Bronze Wrapped Bushing | MG-090T Bronze Wrapped Bushing | MG-09G Bronze +Graphite Wrapped Bushing | MG-H68 Copper Wrapped Bushing | |
| Data | ![]() | ![]() | ![]() | ![]() |
| Density | 8.9g/cm³ | 8.9g/cm³ | 8.3g/cm³ | 8.4g/cm³ |
| Pressure resistance strength | 470N/mm | 470N/mm | 470N/mm | 440N/mm |
| Coecient of heat conduction | 60W/m.k | 60W/m.k | 58W/m.k | 71W/m.k |
| Linear expansion coecient | 18.5×10 /K | 18.5×10 /K | 18.5×10 /K | 19.2×10/K |
| Hardness | 90~120 HB | 90~120 HB | 90~120 HB | 80~110 HB |
| Elongation | 0.55 | 0.55 | 0.55 | 0.3 |
| Alloy material | CuSn8P | CuSn8P | CuSn8P | CuZn31Si |
| Other material | CuSn6.5P | CuSn6.5P | CuSn6.5P | |
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