JIAXING VIIPLUS INTERNATIONAL TRADING CO.,LTD |
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Bimetal bearing beshes has high performance environmental friendly dual metal bearings are customer-specified products. bimetal bearing beshes uses low-carbon steel plate as supporting base and powder metallurgy sintering and rolling processes to form a leadless CuSn8Ni steel-copper alloy product. The materials in this product meet RoHS directory/regulation/rule , under certain circumstances can substitute for JF800 products.bimetal bearing beshes has high load bearing capacity and good wear-resistance. Its shortcoming is that it cannot be used without oil lubrication. In places where oil lubrication is sufficient, bimetal bearing beshes has superior performance.
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Bimetal bearing is made of steel sintered with CuPb10Sn10 or CuSn6Zn6Pb3 as a lining layer.This type of bushing show its best performance among bushings made of Cu-lead alloy material in this product range.It suits most for middle speed and high impact conditions.Its application including balance suspensions of heavy-duty trucks, track roller of bulldozers,auto chassis etc.
Base materoal | CuSn8Ni | Temperature | 200℃ |
Load capacity | 140N/mm² | Alloy layer hardness | HB90~120 |
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Bimetal bearing, is a steel plate as the matrix, the surface sintered CuPb30 alloy products.The product has good fatigue strength and bearing capacity.Suitable for medium speed, medium load and oil lubrication.When the surface is plated with soft alloy, it can be used as the bearing and connecting rod bushing of high-speed internal combustion engine to achieve good wear resistance and fatigue resistance.
Low carbon steel + bronze alloy (CuPb30)
High fatigue-resistance, high load capacity, and corrosion-resistance
bimetal bushing is widely used in con rod of automobile engines,
transmission gearbox, construction & agriculture machinery etc
(JF-700)Alloy CuPb30 Chemical Composition ( % )
Cu | Pb | Sn | Zn | P | Fe | Ni | Sb | other |
rest | 26-33 | ≤ 0.5 | ≤ 0.5 | ≤ 0.1 | ≤ 0.7 | ≤ 0.5 | ≤ 0.2 | ≤ 0.5 |
Load capacity | 25N/mm2 |
Max. Temperature | 170 [ °C ] |
Liner Hardness | HB 30-45 |
Housing ØH7
Bushing inner-Ø after mountingH9
Shaft tolerancef7 to h8
is a low-maintenance composite sliding bearing, but primary lubrication is necessary. Oil or grease lubrication is possible. Due to solid lubricant storages, lubrication clearances are reduced to a minimum!
Special dimensions are available on request
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Items | Property indexes | Notes | |
Loading capacity (MPa) | static | 320 |
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dynamic | 150 |
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PV limit(MPa ·m/s) | 2.55 | P=40MPa | |
Friction coefficient | 0.10--0.15 | condition of lubrication;dry friction | |
0.08--0.11 | condition of lubrication;grease lubrication | ||
Ranges of operating temperature | -150--350 |
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