SlidingBearingSelf-lubricating
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Bimetal Bearings > JF840 / SAE48
²úÆ·Ãû³Æ£ºJF840 / SAE48
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1. JF840 Bimetallic Bearings has medium fatigue strength and load capacity.
2. JF840 Bimetallic Bearings has good corrosion resistance.
3. JF840 Bimetallic Bearings has good sliding properties.
4. JF840 Bimetallic Bearinga€?s alloy layer can hide the impurities in working condition.


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Bi-metal-Bearings-SAE797-SAE799-SAE783-SAE48-SAE49.pdf

JF840 Alloy Code & Corresponding International Code

Product Code

Alloy Code

Alloy Hardness

Corresponding International Code

JF840

CuPb30

30-45 HB

SAE-48, JIS-KJ3

JF840 Alloy CuPb30 Chemical Composition ( % )

Alloy Code

Cu

Pb

Sn

Zn

P

Fe

Ni

Sb

other

CuPb30

rest

26-33

≤ 0.5

≤ 0.5

≤ 0.1

≤ 0.7

≤ 0.5

≤ 0.2

≤ 0.5

Physical & Mechanical Properties

Maximum Operating Temperature Tmax

280

°C

Maximum Load Pmax

120

N/mm2

Tensile Strength

200

N/mm2

Maximum Sliding Speed V-oil lubricated

15

m/s

Maximum PV Factor-greased

2.5

N/mm2 * m/s

Maximum PV Factor-oil lubricated

8

N/mm2 * m/s

Coefficient of friction f-oil lubricated

0.08-0.16

 

Usage Range

dry

poor

oil lubricated

good

grease lubricated

good

water lubricated

poor

process fluid lubricated

poor

Possible Application

Main shaft of internal combustion engine and connecting rod.

Standard Parts Available

Cylindrical Bush

Flanged Bush

Thrust Washer

Strip / Plate

JF840 SAE48
 

JF840 SAE48 
 

bimetal washer

JF840 SAE48 material

 

Metric

Inch

Metric

Inch

Metric

Inch

Metric

Inch


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