| JF840, Bimetallic Bearings, Alloy: CuPb30 / SAE48, |
|  | Descriptions
Steel backing with copper coating + bronze alloy (CuPb30) sinter layer Steel-lead-bronze-compound material Low-maintenance |
| JF840 Alloy Code & Corresponding International Code |
| | Product Code | Alloy Code | Alloy Hardness | Corresponding International Code | | JF840 | CuPb30 | 30-45 HB | SAE-48, JIS-KJ3 | |
| JF840 Alloy CuPb30 Chemical Composition ( % ) |
| | Alloy Code | Cu | Pb | Sn | Zn | P | Fe | Ni | Sb | other | | CuPb30 | rest | 26-33 | ≤ 0.5 | ≤ 0.5 | ≤ 0.1 | ≤ 0.7 | ≤ 0.5 | ≤ 0.2 | ≤ 0.5 | |
| Features |
| 1. JF840 Bimetallic Bearings has medium fatigue strength and load capacity. 2. JF840 Bimetallic Bearings has good corrosion resistance. 3. JF840 Bimetallic Bearings has good sliding properties. 4. JF840 Bimetallic Bearing’s alloy layer can hide the impurities in working condition. |
| Physical & Mechanical Properties |
| | Maximum Operating Temperature Tmax | 280 | °C | | Maximum Load Pmax | 120 | N/mm2 | | Tensile Strength | 200 | N/mm2 | | Maximum Sliding Speed V-oil lubricated | 15 | m/s | | Maximum PV Factor-greased | 2.5 | N/mm2 * m/s | | Maximum PV Factor-oil lubricated | 8 | N/mm2 * m/s | | Coefficient of friction f-oil lubricated | 0.08-0.16 | | |
| Usage Range |
| | dry | poor | | oil lubricated | good | | grease lubricated | good | | water lubricated | poor | | process fluid lubricated | poor | |
| Possible Application |
| Main shaft of internal combustion engine and connecting rod. |
| Standard Parts Available |
| Cylindrical Bush | Flanged Bush | Thrust Washer | Strip / Plate |
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| Metric | Inch | Metric | Inch | Metric | Inch | Metric | Inch |
| Download Catalogue JF840/SAE48 Bimetal Bearings |
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