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Bimetallic bearing

Bimetallic bearing

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

Bimetallic bearings, bimetal bushing steel backed, with bronze alloy CuPb10Sn10, CuPb3Zn6Sn6, CuPb7Sn7Zn3

Description

Special materials for bimetal bearings
bimetal bushings manufacture

Bimetallic bearing is one of the bearing lubrication system, the product is high quality low carbon steel back as substrate, the bronze alloy on the surface, through several high temperature sintering and density and rolled copper and steel bimetallic strip coiling, suitable for medium and high impact load under bush and thrust washer and so on many kinds of USES.

Overview of bimetallic bearings 

Bimetallic bearing is one of the bearing lubrication system, the product is high quality low carbon steel back as substrate, the bronze alloy on the surface, through several high temperature sintering and density and rolled copper and steel bimetallic strip coiling, suitable for medium and high impact load under bush and thrust washer and so on many kinds of USES.

Bimetallic bearing steel material

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. The oil groove and hole with different structure designed on the friction surface in the production can meet the requirements of different refueling methods, and can prevent the phenomenon of biting the shaft.

Bimetal bearing performance

The bimetal bushing has the advantages of good wear resistance.Especially suitable for medium speed medium load and low speed high load and other occasions.Through special technology means, can be processed on the friction surface of a variety of oil groove, oil hole and oil hole, so as to adapt to the use of different lubrication conditions.Products have been widely used in automotive engine, chassis, motorcycle clutch, gear pump scrubbing plate and lifting equipment and other fields.

Wrapped 2 layer bearing with bronze sliding layer.Clinch lock of bimetal bushes,

Type for bimetal bushing grooves & indentations,Types of Oil Grooves for bimetal bushings,Contact our engineers.

Sintered SAE799 Layer + Steel Backing + Copper Plating / Tin-Plating

SB-799 Material ( CuPb24Sn4, SAE-799, JIS-LBC6 Bronze Alloy )

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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