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ZYB-720

ZYB-720 bimetal bearing is a product with steel plate as the base body and CuPb24Sn4 alloy sintered on the surface. The product has good fatigue strength and bearing capacity. It is suitable for occasions with medium speed and medium load and oil lubrication. When the surface is plated with soft alloy, it can be used as a high-speed internal combustion engine bearing and connecting rod bushing to achieve good wear resistance and fatigue resistance.

可供形式

Use parameters 


icon_pdf.gifProduct parameter.pdf


Coefficient of friction (oil)
Material modelCuPb24Sn4Hardness of grinding shaft50HRC
Alloy layer hardness45~70HBMaximum use temperature200oC
Maximum load38N/mm2Allowable PV value (fat)2.8N/mm2.m/3
Tensile Strength150N/mm2Allowable PV value (oil)10N/mm2.m/3
0.06~0.16Maximum static bearing pressure130N/mm2
"Sapphire" fatigue level Mpa115Maximum speed (oil)10m/s