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Bimetallic bearing

We supply a wide range of Clinch lock of bimetal bushesBushingsThrust Washers, and Bimetallic Strips.

Bimetal bushing steel backed, with bronze alloy CuPb10Sn10,CuPb3Zn6Sn6,CuPb7Sn7Zn3

Description

Special materials for bimetal bearings sheet,bimetal bushings manufacture

Alloy layer material CuPb10Sn10 or CuSn6Zn6Pb3, etc

Bimetallic bearing is made of high quality low carbon steel back as the surface sintered lead-tin bronze alloy material, through several high temperature sintering and dense rolling into copper and steel bimetallic strip rolling.The bimetal bushings is one of the strongest in copper and lead alloys, and is widely used in various applications, such as bushing, thrust washer and so on.

Overview of bimetallic bearings 

Because the matrix is stable as low carbon steel material, the machining accuracy of the outer diameter of the shaft sleeve is guaranteed. Moreover, after the product is loaded into the seat hole, there is no need for screw fixation.The change of chemical composition of the alloy layer on the inner surface can meet the requirements of different bearing pressure, different operating temperature and different sliding speed. Oil grooves and holes with different structures designed on the friction surface in the production can meet the requirements of different refueling methods, prevent the phenomenon of biting the shaft, and adapt to different lubrication conditions.
Widely used in automobile engine, motorcycle clutch, light industrial machinery, engineering machinery.

Characteristics

  • High load capacity
  • Works well even in difficult conditions
  • Good lubrication properties because of lubrication indents
  • Wide range of temperature

Application Field

Bimetal Bushing are widely used in various past of automobile industries such as Truck,,engine, transmission cases, Textile machines,vehicle chassis, steering knuckle, trunnion shaft, leaf spring, motorcycle clutches, wear plating of gear pumps, as well as hoisting machine, etc.

TECHNICAL DATA

Static 250 N/mm2
Dynamic 140 N/mm2
Load:
Maximum speed:
Oil lubricated <5,0 m/s
Grease lubricated <2,5 m/s
Friction:
0,04 – 0,12 µ depending on lubrication
Temperature range:
-40/ +250 ˚C
Tolerances:
Housing H7
Recommended shaft tolerance f7 or h8

Metal & Bi-Metal Bearings Material Range

Alloy gradeNameMain chemical composition%Alloy hardness HBSteel layer hardness HBMain use occasion
cupbsnznniBi
CuPb10Sn10JF800margin9.0~11.09.0~11.060~9090~120Bushing, side plate, washer,

  • Drawing details
CuPb3Zn6Sn6JF850margin2.0~4.05.0~7.05.0~7.040~8090~120
CuPb7Sn7Zn3JF830margin6.0~8.06.0~8.02.0~4.060~9080~130

AVAILABLE TYPES

Bushes, flange bushes, thrust washers, strip and other non-standard parts and so on.

BIMETAL BEARINGS LUBRICATION

Bi-metal bearings are mainly to be used with oil or grease lubrication.

Special Bimetal Inch Size Design

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