| JF820, Bimetallic Bearings, Alloy: CuPb24Sn / SAE49 |
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| Descriptions
Steel-lead-bronze-compound material
Steel backing + CuPb24Sn sliding layer
Self-lubricating & Maintenance-free |
| JF820 Alloy Code & Corresponding International Code |
| | Product Code | Alloy Code | Alloy Hardness | Corresponding International Code | | JF820 | CuPb24Sn | 40-60 HB | SAE-49, ACL-F780 | |
| JF820 Alloy CuPb24Sn Chemical Composition ( % ) |
| | Product Code | Cu | Pb | Sn | Zn | P | Fe | Ni | Sb | other | | CuPb24Sn | rest | 19-27 | 0.6-2 | ≤ 0.5 | ≤ 0.1 | ≤ 0.7 | ≤ 0.5 | ≤ 0.2 | ≤ 0. | |
| Features |
| 1. JF820 Bimetallic Bearing’s plain sliding layer is for lubricated applications. 2. JF820 Bimetallic Bearings is suitable for oil and grease lubrication. 3. JF820 Bimetallic Bearing’s inner diameter can be machined by boring, reaming, broaching or calibrating. |
| Physical & Mechanical Properties |
| | Maximum Operating Temperature Tmax-greased | 150 | °C | | Maximum Operating Temperature Tmax-oil lubricated | 250 | °C | | Minimum Operating Temperature Tmin | -50 | °C | | Maximum Static Load Psta,max | 250 | N/mm2 | | Maximum Dynamic Load Pdyn,max | 120 | N/mm2 | | Tensile Strength | 170 | N/mm2 | | Maximum Sliding Speed V-greased | 2.5 | N/mm2 * m/s | | Maximum PV Factor-greased | 2.8 | N/mm2 * m/s | | Coefficient of friction f-greased | 0.05-0.12 | | | Coefficient of friction f-oil lubricated | 0.04-0.12 | | |
| Usage Range |
| | dry | poor | | oil lubricated | good | | grease lubricated | good | | water lubricated | poor | | process fluid lubricated | poor | |
| Possible Application |
| Mechanical handling and lifting equipment, machine slides, hydraulic cylinders, hydraulic motors, pneumatic equipment, medical equipment, textile machinery, agricultural equipment etc. |
| 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 JF820/SAE49 Bimetal Bearings |
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