Shaanxi Fortune Industries Co.ltd
High Quality Bearing at the Good Price Experienced Staff Bearing in Variety Professional Service
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Powder metal products for small gears and miniature components
powder metal products for small applications, including small gears and miniature components for planetary drives, automotive sub-assemblies, drills, and electronics, and in particular, small components and assemblies for medical devices.
Specialists in stainless steel and material blending, SFT provides you with technical expertise and the ability to discover a cost effective solution that maintains the integrity of your design.
The benefits of powder metal products include:
Performance of Oil Bearing
| (1)Performance of oil bearing (copper based & iron based) | |||||
| No. | Features | ||||
| Illustrate | Unit | Copper based | Copper & iron based | Iron based | |
| 1 | Density | g/cm3 | 6.5-7.2 | 6.0-6.7 | 5.9-6.5 |
| 2 | Surface porosity | / | After heated in lubricating oil from the sliding surface | ||
| 3 | Noise (distance 50 mm) | db | below 20 | ||
| 4 | Abrasion loss | m | below 15 | ||
| 5 | Oil Content Rate | V% | above 18 | ||
| 6 | Pressure stains strength | Mpa | above 150 | above 250 | above 280 |
| 7 | Hardness | MHV | 60-90 | 60-90 | 60-110 |
| 8 | Friction coefficient | / | below 0.15 | below 0.25 | below 0.25 |
| 9 | Life | h | above 2000 | ||
| (2) Performance of structuralparts (copper based & iron based) | ||||||||||
| No. | Cu | Ni | Mo | C | Fe | Density g/cm3 | Tensile strength Mpa | Elongation % | Hardness HB | Perfect for |
| 1 | ＜1 | / | / | ＜0.3 | other | 6.4-6.8 | 150 | 4 | ＞45 | Low load structure |
| 2 | 1-5 | / | / | ＜0.3 | other | 6.4-6.8 | 200 | 3 | ＞55 | Middle load structure |
| 3 | 1-5 | / | / | ＜0.3 | other | 6.8-7.2 | 300 | 7 | ＞80 | High load structure, can carburizing heat treatment |
| 4 | 1-3 | 1-5 | ＜0.8 | 0.3-0.6 | other | 6.8-7.2 | 600 | 2 | ＞160 | Upper load structure, can heat treatment |
| 5 | 3-5 | 1-5 | ＜0.8 | 0.3-0.6 | other | 7.2-7.4 | 700 | 2 | ＞180 | Higher load structure, can heat treatment |
Dimensions and Capacities
| Type | Max.Torque (N.m) | Nominal Overrunning Drag(N.m) | Max. Overrunning (r/min) | Max. Indexing (cycle/min) | Stock Bore Size | ||
| Inner Race | Outer Race | Dia (H7) | Keyway | ||||
| MZ15 | 186 | 0.20 | 1800 | 900 | 150 | 15 | 5×2.3 |
| MZ17 | 215 | 0.20 | 1700 | 800 | 150 | 17 | 5×2.3 |
| MZ20 | 323 | 0.29 | 1600 | 700 | 150 | 20 | 6×2.8 |
| MZ30-22 | 735 | 0.39 | 1500 | 500 | 150 | 22 | 6×2.8 |
| MA30-25 | 25 | 8×3.3 | |||||
| MZ30 | 30 | 10×3.3 | |||||
| MZ35 | 1080 | 0.49 | 1400 | 300 | 150 | 35 | 10×3.3 |
| MZ45-40 | 1620 | 0.69 | 1400 | 300 | 150 | 40 | 12×3.3 |
| MZ45 | 45 | 14×3.8 | |||||
| MZ60-50 | 2110 | 0.98 | 1200 | 250 | 150 | 50 | 14×3.8 |
| MZ60-55 | 55 | 16×4.3 | |||||
| MZ60 | 60 | 18×4.4 | |||||
| MA70-65 | 3040 | 1.27 | 1100 | 250 | 150 | 65 | 18×4.4 |
| MA70 | 70 | 20×4.9 | |||||
